{"id":50536,"date":"2026-09-15T19:44:08","date_gmt":"2026-09-15T18:44:08","guid":{"rendered":"https:\/\/cctvacademy.be\/?p=50536"},"modified":"2026-09-29T13:55:50","modified_gmt":"2026-09-29T12:55:50","slug":"cctv-resolutie-lenzen","status":"publish","type":"post","link":"https:\/\/cctvacademy.be\/nl\/cctv-resolutie-lenzen\/","title":{"rendered":"Resolutie en lenzen"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"50536\" class=\"elementor elementor-50536\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3c5c209 e-flex e-con-boxed e-con e-parent\" data-id=\"3c5c209\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-827144c elementor-widget elementor-widget-html\" data-id=\"827144c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<style>\n\/* =========================================================\n   CCTV ACADEMY\n   BASIS CCTV OPLEIDING\n   HOOFDSTUK 07 \u2014 RESOLUTIE & LENZEN\n\n   \u00a9 2026 Wouter Rooseboom \/ CCTV Academy\n   ========================================================= *\/\n\n#cctv-ch07 {\n\n    --bg: #06111f;\n    --bg2: #091827;\n    --card: #0e2237;\n    --card2: #132b46;\n\n    --text: #f7fbff;\n    --muted: #a9bad0;\n\n    --yellow: #fff200;\n    --cyan: #32f1dc;\n    --blue: #32b7ff;\n    --purple: #9c6cff;\n    --orange: #ff9d45;\n    --green: #68e89a;\n    --pink: #ff6fae;\n    --red: #ff735f;\n\n    --border: rgba(255,255,255,.10);\n    --shadow: 0 28px 80px rgba(0,0,0,.38);\n\n    color: var(--text);\n\n    background:\n        radial-gradient(\n            circle at 8% 0%,\n            rgba(50,183,255,.15),\n            transparent 28%\n        ),\n        radial-gradient(\n            circle at 94% 15%,\n            rgba(255,111,174,.11),\n            transparent 27%\n        ),\n        var(--bg);\n\n    font-family: Arial, Helvetica, sans-serif;\n    line-height: 1.65;\n\n    overflow: hidden;\n}\n\n\n#cctv-ch07 *,\n#cctv-ch07 *::before,\n#cctv-ch07 *::after {\n    box-sizing: border-box;\n}\n\n\n#cctv-ch07 a {\n    color: inherit;\n}\n\n\n#cctv-ch07 img {\n    display: block;\n    width: 100%;\n    height: auto;\n}\n\n\n#cctv-ch07 h1,\n#cctv-ch07 h2,\n#cctv-ch07 h3,\n#cctv-ch07 p,\n#cctv-ch07 figure {\n    margin-top: 0;\n}\n\n\n#cctv-ch07 .wrap {\n    width: min(1160px, calc(100% - 38px));\n    margin: 0 auto;\n}\n\n\n#cctv-ch07 .section {\n    padding: 88px 0;\n}\n\n\n\/* =========================================================\n   TYPOGRAFIE\n   ========================================================= *\/\n\n#cctv-ch07 h1 {\n\n    max-width: 980px;\n\n    margin-bottom: 25px;\n\n    color: var(--yellow);\n\n    font-size: clamp(48px, 7vw, 90px);\n    font-weight: 900;\n\n    line-height: .94;\n    letter-spacing: -4px;\n}\n\n\n#cctv-ch07 h2 {\n\n    margin-bottom: 20px;\n\n    color: var(--yellow);\n\n    font-size: clamp(34px, 4.7vw, 58px);\n    font-weight: 900;\n\n    line-height: 1.02;\n    letter-spacing: -2px;\n}\n\n\n#cctv-ch07 h3 {\n\n    margin-bottom: 10px;\n\n    color: #ffffff;\n\n    font-size: 22px;\n    font-weight: 800;\n\n    line-height: 1.2;\n}\n\n\n#cctv-ch07 .lead {\n\n    max-width: 830px;\n\n    margin-bottom: 28px;\n\n    color: #d4e0ec;\n\n    font-size: clamp(18px, 2vw, 22px);\n}\n\n\n#cctv-ch07 .muted {\n    color: var(--muted);\n}\n\n\n#cctv-ch07 .kicker {\n\n    display: inline-flex;\n    align-items: center;\n\n    gap: 10px;\n\n    margin-bottom: 18px;\n\n    color: var(--cyan);\n\n    font-size: 12px;\n    font-weight: 800;\n\n    letter-spacing: 2px;\n    text-transform: uppercase;\n}\n\n\n#cctv-ch07 .kicker::before {\n\n    content: \"\";\n\n    width: 30px;\n    height: 2px;\n\n    background: currentColor;\n}\n\n\n\/* =========================================================\n   BUTTONS\n   ========================================================= *\/\n\n#cctv-ch07 .button-row {\n\n    display: flex;\n    flex-wrap: wrap;\n\n    gap: 12px;\n}\n\n\n#cctv-ch07 .btn {\n\n    display: inline-flex;\n    align-items: center;\n    justify-content: center;\n\n    min-height: 54px;\n\n    padding: 0 25px;\n\n    border: 1px solid transparent;\n    border-radius: 999px;\n\n    font-weight: 800;\n    text-decoration: none;\n\n    transition:\n        transform .2s ease,\n        border-color .2s ease,\n        box-shadow .2s ease;\n}\n\n\n#cctv-ch07 .btn:hover {\n    transform: translateY(-2px);\n}\n\n\n#cctv-ch07 .btn-primary {\n\n    color: #07111f;\n\n    background: var(--yellow);\n\n    box-shadow:\n        0 12px 30px rgba(255,242,0,.16);\n}\n\n\n#cctv-ch07 .btn-primary:hover {\n\n    box-shadow:\n        0 15px 38px rgba(255,242,0,.25);\n}\n\n\n#cctv-ch07 .btn-secondary {\n\n    color: #ffffff;\n\n    border-color: rgba(255,255,255,.17);\n\n    background: rgba(255,255,255,.045);\n}\n\n\n#cctv-ch07 .btn-secondary:hover {\n    border-color: var(--yellow);\n}\n\n\n\/* =========================================================\n   CURSUSNAVIGATIE\n   ========================================================= *\/\n\n#cctv-ch07 .course-nav {\n\n    padding: 17px 0;\n\n    border-bottom: 1px solid var(--border);\n\n    background: rgba(3,12,21,.72);\n}\n\n\n#cctv-ch07 .course-nav-inner {\n\n    display: flex;\n    align-items: center;\n    justify-content: space-between;\n\n    gap: 20px;\n}\n\n\n#cctv-ch07 .course-nav a {\n\n    color: #d9e4ef;\n\n    font-size: 13px;\n    font-weight: 700;\n\n    text-decoration: none;\n}\n\n\n#cctv-ch07 .course-nav a:hover {\n    color: var(--yellow);\n}\n\n\n#cctv-ch07 .module-no {\n\n    color: var(--yellow);\n\n    font-family: monospace;\n    font-size: 12px;\n\n    letter-spacing: 1px;\n}\n\n\n\/* =========================================================\n   HERO\n   ========================================================= *\/\n\n#cctv-ch07 .hero {\n\n    position: relative;\n\n    padding: 82px 0 96px;\n}\n\n\n#cctv-ch07 .hero::after {\n\n    content: \"\";\n\n    position: absolute;\n\n    right: -170px;\n    top: 90px;\n\n    width: 510px;\n    height: 510px;\n\n    border: 1px solid rgba(255,242,0,.08);\n    border-radius: 50%;\n\n    box-shadow:\n        0 0 0 55px rgba(255,242,0,.014),\n        0 0 0 110px rgba(255,111,174,.012);\n\n    pointer-events: none;\n}\n\n\n#cctv-ch07 .hero-grid {\n\n    position: relative;\n    z-index: 2;\n\n    display: grid;\n\n    grid-template-columns: 1.05fr .95fr;\n\n    gap: 66px;\n\n    align-items: center;\n}\n\n\n#cctv-ch07 .badge {\n\n    display: inline-flex;\n    align-items: center;\n\n    gap: 9px;\n\n    margin-bottom: 24px;\n\n    padding: 8px 13px;\n\n    border: 1px solid rgba(50,241,220,.22);\n    border-radius: 999px;\n\n    color: var(--cyan);\n\n    background: rgba(50,241,220,.06);\n\n    font-size: 12px;\n    font-weight: 800;\n\n    letter-spacing: 1.2px;\n    text-transform: uppercase;\n}\n\n\n#cctv-ch07 .badge-dot {\n\n    width: 8px;\n    height: 8px;\n\n    border-radius: 50%;\n\n    background: var(--yellow);\n\n    box-shadow:\n        0 0 13px var(--yellow);\n}\n\n\n\/* =========================================================\n   HERO FOTO\n   ========================================================= *\/\n\n#cctv-ch07 .hero-photo-wrap {\n\n    position: relative;\n\n    padding: 25px 15px 35px 30px;\n}\n\n\n#cctv-ch07 .hero-photo-wrap::before {\n\n    content: \"\";\n\n    position: absolute;\n\n    inset: 8% 0 3% 8%;\n\n    border-radius: 40px;\n\n    background:\n        linear-gradient(\n            135deg,\n            rgba(255,242,0,.18),\n            rgba(255,111,174,.10),\n            rgba(50,241,220,.08)\n        );\n\n    transform: rotate(4deg);\n}\n\n\n#cctv-ch07 .hero-photo {\n\n    position: relative;\n    z-index: 2;\n\n    overflow: hidden;\n\n    border: 1px solid rgba(255,242,0,.30);\n    border-radius: 32px;\n\n    background: #07111f;\n\n    box-shadow: var(--shadow);\n}\n\n\n#cctv-ch07 .hero-photo img {\n\n    aspect-ratio: 3 \/ 2;\n\n    object-fit: cover;\n}\n\n\n#cctv-ch07 .photo-overlay {\n\n    position: absolute;\n\n    left: 18px;\n    right: 18px;\n    bottom: 18px;\n\n    display: flex;\n    align-items: center;\n    justify-content: space-between;\n\n    gap: 20px;\n\n    padding: 15px 17px;\n\n    border: 1px solid rgba(255,255,255,.12);\n    border-radius: 16px;\n\n    background: rgba(4,14,24,.86);\n\n    backdrop-filter: blur(10px);\n}\n\n\n#cctv-ch07 .photo-overlay span {\n\n    color: #ffffff;\n\n    font-size: 12px;\n    font-weight: 800;\n}\n\n\n#cctv-ch07 .photo-overlay strong {\n\n    color: var(--yellow);\n\n    font-family: monospace;\n    font-size: 11px;\n\n    letter-spacing: 1px;\n}\n\n\n#cctv-ch07 .floating-label {\n\n    position: absolute;\n    z-index: 4;\n\n    top: 3px;\n    right: 0;\n\n    padding: 9px 13px;\n\n    border-radius: 10px;\n\n    color: #07111f;\n\n    background: var(--yellow);\n\n    font-family: monospace;\n    font-size: 10px;\n    font-weight: 900;\n\n    letter-spacing: 1px;\n\n    transform: rotate(2deg);\n}\n\n\n\/* =========================================================\n   LEERDOELEN\n   ========================================================= *\/\n\n#cctv-ch07 .learning {\n\n    border-top: 1px solid var(--border);\n    border-bottom: 1px solid var(--border);\n\n    background:\n        linear-gradient(\n            115deg,\n            rgba(255,242,0,.045),\n            transparent 45%\n        ),\n        rgba(255,255,255,.018);\n}\n\n\n#cctv-ch07 .learning-grid {\n\n    display: grid;\n\n    grid-template-columns: .8fr 1.2fr;\n\n    gap: 65px;\n\n    align-items: center;\n}\n\n\n#cctv-ch07 .learning-cards {\n\n    display: grid;\n\n    grid-template-columns: repeat(2, 1fr);\n\n    gap: 14px;\n}\n\n\n#cctv-ch07 .learning-card {\n\n    min-height: 155px;\n\n    padding: 23px;\n\n    border: 1px solid var(--border);\n    border-radius: 20px;\n\n    background: rgba(255,255,255,.035);\n}\n\n\n#cctv-ch07 .number {\n\n    display: inline-flex;\n    align-items: center;\n    justify-content: center;\n\n    width: 36px;\n    height: 36px;\n\n    margin-bottom: 16px;\n\n    border-radius: 50%;\n\n    color: #07111f;\n\n    background: var(--yellow);\n\n    font-size: 12px;\n    font-weight: 900;\n}\n\n\n\/* =========================================================\n   DEFINITION\n   ========================================================= *\/\n\n#cctv-ch07 .definition {\n\n    position: relative;\n\n    padding: clamp(32px, 5vw, 60px);\n\n    overflow: hidden;\n\n    border: 1px solid rgba(255,242,0,.23);\n    border-radius: 30px;\n\n    background:\n        radial-gradient(\n            circle at 95% 0%,\n            rgba(255,111,174,.10),\n            transparent 32%\n        ),\n        linear-gradient(\n            135deg,\n            #0d2034,\n            #091626\n        );\n\n    box-shadow: var(--shadow);\n}\n\n\n#cctv-ch07 .definition::after {\n\n    content: \"PIXEL\";\n\n    position: absolute;\n\n    right: -10px;\n    bottom: -29px;\n\n    color: rgba(255,242,0,.023);\n\n    font-size: clamp(90px, 18vw, 220px);\n    font-weight: 900;\n\n    line-height: .8;\n\n    pointer-events: none;\n}\n\n\n\/* =========================================================\n   RESOLUTION CARDS\n   ========================================================= *\/\n\n#cctv-ch07 .resolution-grid {\n\n    display: grid;\n\n    grid-template-columns: repeat(4, 1fr);\n\n    gap: 14px;\n\n    margin-top: 40px;\n}\n\n\n#cctv-ch07 .resolution-card {\n\n    position: relative;\n\n    min-height: 300px;\n\n    padding: 26px;\n\n    overflow: hidden;\n\n    border: 1px solid var(--border);\n    border-radius: 23px;\n\n    background: var(--card);\n}\n\n\n#cctv-ch07 .resolution-card::after {\n\n    content: attr(data-big);\n\n    position: absolute;\n\n    right: 4px;\n    bottom: -22px;\n\n    color: rgba(255,255,255,.027);\n\n    font-size: 85px;\n    font-weight: 900;\n\n    line-height: 1;\n}\n\n\n#cctv-ch07 .mp-value {\n\n    display: block;\n\n    margin-bottom: 17px;\n\n    color: var(--accent);\n\n    font-size: 42px;\n    font-weight: 900;\n\n    line-height: 1;\n}\n\n\n#cctv-ch07 .resolution-card small {\n\n    display: block;\n\n    margin-bottom: 12px;\n\n    color: var(--muted);\n\n    font-family: monospace;\n    font-size: 10px;\n\n    letter-spacing: 1px;\n    text-transform: uppercase;\n}\n\n\n#cctv-ch07 .resolution-card p {\n\n    position: relative;\n    z-index: 2;\n\n    margin-bottom: 0;\n\n    color: var(--muted);\n\n    font-size: 13px;\n}\n\n\n\/* =========================================================\n   PIXEL VISUAL\n   ========================================================= *\/\n\n#cctv-ch07 .pixel-box {\n\n    display: grid;\n\n    grid-template-columns: .9fr 1.1fr;\n\n    gap: 55px;\n\n    align-items: center;\n\n    padding: clamp(32px, 5vw, 58px);\n\n    border: 1px solid rgba(255,111,174,.19);\n    border-radius: 30px;\n\n    background:\n        radial-gradient(\n            circle at 10% 50%,\n            rgba(255,111,174,.11),\n            transparent 33%\n        ),\n        linear-gradient(\n            135deg,\n            #0b1f32,\n            #091522\n        );\n}\n\n\n#cctv-ch07 .pixel-screen {\n\n    display: grid;\n\n    grid-template-columns: repeat(12, 1fr);\n\n    gap: 3px;\n\n    padding: 18px;\n\n    border: 1px solid rgba(255,255,255,.12);\n    border-radius: 22px;\n\n    background: #030b13;\n\n    box-shadow:\n        0 25px 55px rgba(0,0,0,.30);\n}\n\n\n#cctv-ch07 .pixel {\n\n    aspect-ratio: 1;\n\n    border-radius: 3px;\n\n    background: rgba(50,183,255,.18);\n}\n\n\n#cctv-ch07 .pixel:nth-child(3n) {\n    background: rgba(50,241,220,.28);\n}\n\n\n#cctv-ch07 .pixel:nth-child(5n) {\n    background: rgba(255,242,0,.36);\n}\n\n\n#cctv-ch07 .pixel:nth-child(7n) {\n    background: rgba(255,111,174,.31);\n}\n\n\n\/* =========================================================\n   NOTE\n   ========================================================= *\/\n\n#cctv-ch07 .note {\n\n    padding: 27px 29px;\n\n    border-left: 5px solid var(--yellow);\n    border-radius: 0 20px 20px 0;\n\n    background:\n        linear-gradient(\n            90deg,\n            rgba(255,242,0,.085),\n            rgba(255,242,0,.015)\n        );\n}\n\n\n#cctv-ch07 .note strong {\n    color: var(--yellow);\n}\n\n\n\/* =========================================================\n   EDITORIAL FOTO\n   ========================================================= *\/\n\n#cctv-ch07 .editorial {\n\n    display: grid;\n\n    grid-template-columns: .95fr 1.05fr;\n\n    gap: 65px;\n\n    align-items: center;\n}\n\n\n#cctv-ch07 .editorial.reverse {\n\n    grid-template-columns: 1.05fr .95fr;\n}\n\n\n#cctv-ch07 .photo-card {\n\n    position: relative;\n\n    overflow: hidden;\n\n    border: 1px solid var(--border);\n    border-radius: 28px;\n\n    background: #06101c;\n\n    box-shadow: var(--shadow);\n}\n\n\n#cctv-ch07 .photo-card img {\n\n    min-height: 430px;\n\n    object-fit: cover;\n}\n\n\n#cctv-ch07 .photo-card::after {\n\n    content: \"\";\n\n    position: absolute;\n\n    inset: 0;\n\n    background:\n        linear-gradient(\n            180deg,\n            transparent 43%,\n            rgba(3,11,19,.80)\n        );\n\n    pointer-events: none;\n}\n\n\n#cctv-ch07 .photo-caption {\n\n    position: absolute;\n    z-index: 2;\n\n    left: 22px;\n    right: 22px;\n    bottom: 20px;\n}\n\n\n#cctv-ch07 .photo-caption strong {\n\n    display: block;\n\n    color: var(--yellow);\n\n    font-size: 19px;\n}\n\n\n#cctv-ch07 .photo-caption span {\n\n    color: #d7e3ef;\n\n    font-size: 12px;\n}\n\n\n\/* =========================================================\n   FIELD OF VIEW\n   ========================================================= *\/\n\n#cctv-ch07 .fov-section {\n    background: #091522;\n}\n\n\n#cctv-ch07 .fov-stage {\n\n    position: relative;\n\n    min-height: 470px;\n\n    margin-top: 45px;\n\n    overflow: hidden;\n\n    border: 1px solid var(--border);\n    border-radius: 30px;\n\n    background:\n        linear-gradient(\n            rgba(255,255,255,.025) 1px,\n            transparent 1px\n        ),\n        linear-gradient(\n            90deg,\n            rgba(255,255,255,.025) 1px,\n            transparent 1px\n        ),\n        #071522;\n\n    background-size:\n        35px 35px;\n\n    box-shadow:\n        inset 0 0 60px rgba(0,0,0,.25);\n}\n\n\n#cctv-ch07 .fov-camera {\n\n    position: absolute;\n\n    left: 7%;\n    top: 50%;\n\n    transform: translateY(-50%);\n\n    width: 115px;\n    height: 76px;\n\n    border: 3px solid var(--yellow);\n    border-radius: 17px 8px 8px 17px;\n\n    background: #0d2438;\n\n    box-shadow:\n        0 0 30px rgba(255,242,0,.12);\n}\n\n\n#cctv-ch07 .fov-camera::before {\n\n    content: \"\";\n\n    position: absolute;\n\n    right: -28px;\n    top: 18px;\n\n    width: 30px;\n    height: 40px;\n\n    border: 3px solid var(--cyan);\n    border-radius: 0 15px 15px 0;\n\n    background: #03101a;\n}\n\n\n#cctv-ch07 .fov-beam {\n\n    position: absolute;\n\n    left: calc(7% + 140px);\n    top: 50%;\n\n    height: 0;\n\n    transform-origin: left center;\n\n    border-style: solid;\n    border-left-width: 0;\n\n    opacity: .50;\n}\n\n\n#cctv-ch07 .beam-wide {\n\n    width: 0;\n    height: 0;\n\n    border-top: 155px solid transparent;\n    border-bottom: 155px solid transparent;\n    border-left: 520px solid rgba(50,241,220,.16);\n\n    transform: translateY(-50%);\n}\n\n\n#cctv-ch07 .beam-medium {\n\n    width: 0;\n    height: 0;\n\n    border-top: 110px solid transparent;\n    border-bottom: 110px solid transparent;\n    border-left: 520px solid rgba(255,242,0,.13);\n\n    transform: translateY(-50%);\n}\n\n\n#cctv-ch07 .beam-narrow {\n\n    width: 0;\n    height: 0;\n\n    border-top: 60px solid transparent;\n    border-bottom: 60px solid transparent;\n    border-left: 520px solid rgba(255,111,174,.16);\n\n    transform: translateY(-50%);\n}\n\n\n#cctv-ch07 .fov-label {\n\n    position: absolute;\n\n    right: 5%;\n\n    padding: 8px 11px;\n\n    border: 1px solid var(--border);\n    border-radius: 10px;\n\n    background: rgba(5,16,27,.86);\n\n    font-family: monospace;\n    font-size: 11px;\n    font-weight: 900;\n}\n\n\n#cctv-ch07 .label-wide {\n    top: 12%;\n    color: var(--cyan);\n}\n\n\n#cctv-ch07 .label-medium {\n    top: 46%;\n    color: var(--yellow);\n}\n\n\n#cctv-ch07 .label-narrow {\n    bottom: 12%;\n    color: var(--pink);\n}\n\n\n\/* =========================================================\n   FOCAL LENGTH CARDS\n   ========================================================= *\/\n\n#cctv-ch07 .focal-grid {\n\n    display: grid;\n\n    grid-template-columns: repeat(4, 1fr);\n\n    gap: 15px;\n\n    margin-top: 40px;\n}\n\n\n#cctv-ch07 .focal-card {\n\n    position: relative;\n\n    min-height: 315px;\n\n    padding: 26px;\n\n    overflow: hidden;\n\n    border: 1px solid var(--border);\n    border-radius: 23px;\n\n    background:\n        linear-gradient(\n            145deg,\n            rgba(255,255,255,.05),\n            rgba(255,255,255,.017)\n        );\n}\n\n\n#cctv-ch07 .focal-value {\n\n    display: block;\n\n    margin-bottom: 17px;\n\n    color: var(--accent);\n\n    font-size: 41px;\n    font-weight: 900;\n\n    line-height: 1;\n}\n\n\n#cctv-ch07 .focal-card small {\n\n    display: block;\n\n    margin-bottom: 12px;\n\n    color: var(--muted);\n\n    font-family: monospace;\n    font-size: 10px;\n\n    letter-spacing: 1px;\n}\n\n\n#cctv-ch07 .angle-demo {\n\n    position: relative;\n\n    height: 80px;\n\n    margin: 23px 0;\n\n    overflow: hidden;\n}\n\n\n#cctv-ch07 .angle-demo::before {\n\n    content: \"\";\n\n    position: absolute;\n\n    left: 0;\n    top: 50%;\n\n    width: 14px;\n    height: 14px;\n\n    transform: translateY(-50%);\n\n    border-radius: 50%;\n\n    background: var(--accent);\n\n    box-shadow:\n        0 0 13px var(--accent);\n}\n\n\n#cctv-ch07 .angle-demo::after {\n\n    content: \"\";\n\n    position: absolute;\n\n    left: 12px;\n    top: 50%;\n\n    width: 0;\n    height: 0;\n\n    transform: translateY(-50%);\n\n    border-top:\n        var(--beam-height)\n        solid transparent;\n\n    border-bottom:\n        var(--beam-height)\n        solid transparent;\n\n    border-left:\n        155px\n        solid var(--beam-color);\n}\n\n\n#cctv-ch07 .focal-card p {\n\n    margin-bottom: 0;\n\n    color: var(--muted);\n\n    font-size: 13px;\n}\n\n\n\/* =========================================================\n   LENS TYPES\n   ========================================================= *\/\n\n#cctv-ch07 .lens-type-grid {\n\n    display: grid;\n\n    grid-template-columns: repeat(3, 1fr);\n\n    gap: 17px;\n\n    margin-top: 40px;\n}\n\n\n#cctv-ch07 .lens-type {\n\n    position: relative;\n\n    min-height: 350px;\n\n    padding: 29px;\n\n    overflow: hidden;\n\n    border: 1px solid var(--border);\n    border-radius: 25px;\n\n    background: var(--card);\n}\n\n\n#cctv-ch07 .lens-type::after {\n\n    content: attr(data-code);\n\n    position: absolute;\n\n    right: 5px;\n    bottom: -22px;\n\n    color: rgba(255,255,255,.025);\n\n    font-size: 76px;\n    font-weight: 900;\n\n    line-height: 1;\n}\n\n\n#cctv-ch07 .lens-type-icon {\n\n    display: flex;\n    align-items: center;\n    justify-content: center;\n\n    width: 55px;\n    height: 55px;\n\n    margin-bottom: 21px;\n\n    border-radius: 17px;\n\n    color: #07111f;\n\n    background: var(--accent);\n\n    font-family: monospace;\n    font-size: 11px;\n    font-weight: 900;\n}\n\n\n#cctv-ch07 .lens-type p {\n\n    position: relative;\n    z-index: 2;\n\n    color: var(--muted);\n}\n\n\n#cctv-ch07 .lens-points {\n\n    position: relative;\n    z-index: 2;\n\n    display: grid;\n\n    gap: 8px;\n\n    margin-top: 19px;\n}\n\n\n#cctv-ch07 .lens-point {\n\n    padding: 9px 11px;\n\n    border: 1px solid rgba(255,255,255,.08);\n    border-radius: 10px;\n\n    color: #d8e3ee;\n\n    background: rgba(0,0,0,.13);\n\n    font-size: 12px;\n}\n\n\n\/* =========================================================\n   OPTICAL VS DIGITAL\n   ========================================================= *\/\n\n#cctv-ch07 .zoom-grid {\n\n    display: grid;\n\n    grid-template-columns: 1fr 1fr;\n\n    gap: 18px;\n\n    margin-top: 40px;\n}\n\n\n#cctv-ch07 .zoom-card {\n\n    padding: 31px;\n\n    border: 1px solid var(--border);\n    border-radius: 25px;\n\n    background:\n        linear-gradient(\n            145deg,\n            rgba(255,255,255,.055),\n            rgba(255,255,255,.018)\n        );\n}\n\n\n#cctv-ch07 .zoom-label {\n\n    display: inline-flex;\n\n    margin-bottom: 20px;\n\n    padding: 7px 11px;\n\n    border-radius: 8px;\n\n    color: #07111f;\n\n    background: var(--accent);\n\n    font-family: monospace;\n    font-size: 11px;\n    font-weight: 900;\n}\n\n\n#cctv-ch07 .zoom-card p {\n    color: var(--muted);\n}\n\n\n\/* =========================================================\n   WIDE VS NARROW VISUAL\n   ========================================================= *\/\n\n#cctv-ch07 .scene-compare {\n\n    display: grid;\n\n    grid-template-columns: 1fr 1fr;\n\n    gap: 17px;\n\n    margin-top: 40px;\n}\n\n\n#cctv-ch07 .scene {\n\n    position: relative;\n\n    min-height: 370px;\n\n    overflow: hidden;\n\n    border: 1px solid var(--border);\n    border-radius: 26px;\n\n    background:\n        linear-gradient(\n            180deg,\n            #17354b 0%,\n            #17354b 48%,\n            #0a1825 48%,\n            #08131e 100%\n        );\n}\n\n\n#cctv-ch07 .scene::before {\n\n    content: \"\";\n\n    position: absolute;\n\n    left: 50%;\n    bottom: 0;\n\n    width: 110px;\n    height: 57%;\n\n    transform: translateX(-50%);\n\n    background:\n        linear-gradient(\n            90deg,\n            transparent 0 45%,\n            rgba(255,255,255,.15) 45% 55%,\n            transparent 55% 100%\n        );\n\n    clip-path:\n        polygon(\n            38% 0,\n            62% 0,\n            100% 100%,\n            0 100%\n        );\n\n    opacity: .70;\n}\n\n\n#cctv-ch07 .scene-object {\n\n    position: absolute;\n\n    left: 50%;\n    bottom: 38%;\n\n    transform: translateX(-50%);\n\n    border-radius: 6px;\n\n    background: var(--yellow);\n\n    box-shadow:\n        0 0 20px rgba(255,242,0,.28);\n}\n\n\n#cctv-ch07 .scene-wide .scene-object {\n\n    width: 22px;\n    height: 48px;\n}\n\n\n#cctv-ch07 .scene-narrow .scene-object {\n\n    width: 58px;\n    height: 128px;\n}\n\n\n#cctv-ch07 .scene-title {\n\n    position: absolute;\n\n    left: 20px;\n    top: 20px;\n\n    padding: 8px 11px;\n\n    border: 1px solid var(--border);\n    border-radius: 9px;\n\n    background: rgba(4,13,22,.84);\n\n    color: var(--yellow);\n\n    font-family: monospace;\n    font-size: 11px;\n    font-weight: 900;\n}\n\n\n#cctv-ch07 .scene-caption {\n\n    position: absolute;\n\n    left: 20px;\n    right: 20px;\n    bottom: 18px;\n\n    padding: 14px;\n\n    border: 1px solid var(--border);\n    border-radius: 14px;\n\n    background: rgba(3,12,20,.85);\n\n    color: #d5e1ec;\n\n    font-size: 12px;\n}\n\n\n\/* =========================================================\n   INSTALLATION PHOTO FEATURE\n   ========================================================= *\/\n\n#cctv-ch07 .installation-feature {\n\n    position: relative;\n\n    min-height: 550px;\n\n    display: flex;\n    align-items: flex-end;\n\n    overflow: hidden;\n\n    border: 1px solid var(--border);\n    border-radius: 32px;\n\n    background: #07111f;\n\n    box-shadow: var(--shadow);\n}\n\n\n#cctv-ch07 .installation-feature img {\n\n    position: absolute;\n\n    inset: 0;\n\n    width: 100%;\n    height: 100%;\n\n    object-fit: cover;\n}\n\n\n#cctv-ch07 .installation-feature::after {\n\n    content: \"\";\n\n    position: absolute;\n\n    inset: 0;\n\n    background:\n        linear-gradient(\n            90deg,\n            rgba(4,13,23,.98) 0%,\n            rgba(4,13,23,.82) 46%,\n            rgba(4,13,23,.15) 100%\n        );\n}\n\n\n#cctv-ch07 .installation-content {\n\n    position: relative;\n    z-index: 2;\n\n    width: min(680px, 92%);\n\n    padding: 52px;\n}\n\n\n\/* =========================================================\n   CHOICE FLOW\n   ========================================================= *\/\n\n#cctv-ch07 .choice-section {\n    background: #091522;\n}\n\n\n#cctv-ch07 .choice-flow {\n\n    display: grid;\n\n    grid-template-columns:\n        1fr 36px\n        1fr 36px\n        1fr 36px\n        1fr;\n\n    gap: 8px;\n\n    align-items: center;\n\n    margin-top: 42px;\n}\n\n\n#cctv-ch07 .choice-step {\n\n    min-height: 245px;\n\n    padding: 25px;\n\n    border: 1px solid var(--border);\n    border-radius: 22px;\n\n    background: var(--card);\n}\n\n\n#cctv-ch07 .choice-step-number {\n\n    display: flex;\n    align-items: center;\n    justify-content: center;\n\n    width: 47px;\n    height: 47px;\n\n    margin-bottom: 19px;\n\n    border-radius: 14px;\n\n    color: #07111f;\n\n    background: var(--accent);\n\n    font-weight: 900;\n}\n\n\n#cctv-ch07 .choice-step p {\n\n    margin-bottom: 0;\n\n    color: var(--muted);\n\n    font-size: 13px;\n}\n\n\n#cctv-ch07 .arrow {\n\n    color: var(--yellow);\n\n    font-size: 27px;\n    font-weight: 900;\n\n    text-align: center;\n}\n\n\n\/* =========================================================\n   MICRO LEARNING\n   ========================================================= *\/\n\n#cctv-ch07 .micro {\n\n    padding: 28px 0 86px;\n}\n\n\n#cctv-ch07 .micro-box {\n\n    position: relative;\n\n    padding: clamp(35px, 5vw, 62px);\n\n    overflow: hidden;\n\n    border: 1px solid rgba(255,242,0,.24);\n    border-radius: 30px;\n\n    background:\n        radial-gradient(\n            circle at 90% 10%,\n            rgba(255,111,174,.18),\n            transparent 31%\n        ),\n        radial-gradient(\n            circle at 0% 100%,\n            rgba(50,241,220,.13),\n            transparent 37%\n        ),\n        linear-gradient(\n            135deg,\n            #0c2235,\n            #10182b\n        );\n\n    box-shadow: var(--shadow);\n}\n\n\n#cctv-ch07 .micro-box::after {\n\n    content: \"FOCUS\";\n\n    position: absolute;\n\n    right: -15px;\n    bottom: -18px;\n\n    color: rgba(255,242,0,.023);\n\n    font-size: clamp(82px, 14vw, 170px);\n    font-weight: 900;\n\n    line-height: .8;\n}\n\n\n#cctv-ch07 .micro-grid {\n\n    position: relative;\n    z-index: 2;\n\n    display: grid;\n\n    grid-template-columns: 1.15fr .85fr;\n\n    gap: 55px;\n\n    align-items: center;\n}\n\n\n#cctv-ch07 .practice-list {\n\n    display: grid;\n\n    gap: 10px;\n}\n\n\n#cctv-ch07 .practice-item {\n\n    display: flex;\n    align-items: center;\n\n    gap: 12px;\n\n    padding: 13px 14px;\n\n    border: 1px solid var(--border);\n    border-radius: 13px;\n\n    background: rgba(0,0,0,.17);\n\n    color: #dce6ef;\n\n    font-size: 13px;\n}\n\n\n#cctv-ch07 .practice-check {\n\n    display: flex;\n    align-items: center;\n    justify-content: center;\n\n    width: 25px;\n    height: 25px;\n\n    flex: 0 0 25px;\n\n    border-radius: 50%;\n\n    color: #07111f;\n\n    background: var(--yellow);\n\n    font-weight: 900;\n}\n\n\n\/* =========================================================\n   QUIZ\n   ========================================================= *\/\n\n#cctv-ch07 .quiz-section {\n\n    background:\n        linear-gradient(\n            180deg,\n            #091522,\n            #07111f\n        );\n}\n\n\n#cctv-ch07 .quiz-grid {\n\n    display: grid;\n\n    grid-template-columns: repeat(4, 1fr);\n\n    gap: 15px;\n\n    margin-top: 37px;\n}\n\n\n#cctv-ch07 .quiz {\n\n    padding: 25px;\n\n    border: 1px solid var(--border);\n    border-radius: 20px;\n\n    background: rgba(255,255,255,.035);\n}\n\n\n#cctv-ch07 .quiz small {\n\n    display: block;\n\n    margin-bottom: 10px;\n\n    color: var(--cyan);\n\n    font-family: monospace;\n    font-weight: 800;\n\n    letter-spacing: 1px;\n}\n\n\n#cctv-ch07 .quiz p {\n\n    margin: 0;\n\n    color: #ffffff;\n\n    font-weight: 700;\n}\n\n\n\/* =========================================================\n   HOOFDSTUKNAVIGATIE\n   ========================================================= *\/\n\n#cctv-ch07 .chapter-nav {\n\n    padding: 75px 0 45px;\n}\n\n\n#cctv-ch07 .chapter-nav-grid {\n\n    display: grid;\n\n    grid-template-columns: 1fr .75fr 1.25fr;\n\n    gap: 16px;\n}\n\n\n#cctv-ch07 .nav-card {\n\n    display: block;\n\n    padding: 27px;\n\n    border: 1px solid var(--border);\n    border-radius: 22px;\n\n    background: var(--card);\n\n    text-decoration: none;\n\n    transition:\n        transform .2s ease,\n        border-color .2s ease;\n}\n\n\n#cctv-ch07 .nav-card:hover {\n\n    transform: translateY(-3px);\n\n    border-color: var(--yellow);\n}\n\n\n#cctv-ch07 .nav-card small {\n\n    display: block;\n\n    margin-bottom: 8px;\n\n    color: var(--muted);\n\n    font-size: 11px;\n    font-weight: 800;\n\n    letter-spacing: 1.3px;\n    text-transform: uppercase;\n}\n\n\n#cctv-ch07 .nav-card strong {\n\n    display: block;\n\n    color: var(--yellow);\n\n    font-size: 19px;\n}\n\n\n#cctv-ch07 .next {\n\n    background:\n        linear-gradient(\n            120deg,\n            rgba(255,242,0,.07),\n            rgba(255,255,255,.025)\n        );\n}\n\n\n\/* =========================================================\n   COPYRIGHT\n   ========================================================= *\/\n\n#cctv-ch07 .copyright {\n\n    padding: 25px 0 38px;\n\n    border-top: 1px solid var(--border);\n\n    color: #71849a;\n\n    font-size: 12px;\n    text-align: center;\n}\n\n\n#cctv-ch07 .copyright strong {\n    color: #a8b8c8;\n}\n\n\n\/* =========================================================\n   RESPONSIVE\n   ========================================================= *\/\n\n@media (max-width: 960px) {\n\n    #cctv-ch07 .hero-grid,\n    #cctv-ch07 .learning-grid,\n    #cctv-ch07 .pixel-box,\n    #cctv-ch07 .editorial,\n    #cctv-ch07 .editorial.reverse,\n    #cctv-ch07 .micro-grid {\n        grid-template-columns: 1fr;\n    }\n\n    #cctv-ch07 .resolution-grid,\n    #cctv-ch07 .focal-grid {\n        grid-template-columns: repeat(2, 1fr);\n    }\n\n    #cctv-ch07 .lens-type-grid {\n        grid-template-columns: 1fr;\n    }\n\n    #cctv-ch07 .choice-flow {\n        grid-template-columns: 1fr;\n    }\n\n    #cctv-ch07 .arrow {\n        transform: rotate(90deg);\n    }\n\n    #cctv-ch07 .chapter-nav-grid {\n        grid-template-columns: 1fr;\n    }\n\n}\n\n\n@media (max-width: 700px) {\n\n    #cctv-ch07 .wrap {\n        width: min(100% - 24px, 1160px);\n    }\n\n    #cctv-ch07 .section {\n        padding: 62px 0;\n    }\n\n    #cctv-ch07 h1 {\n        letter-spacing: -2.5px;\n    }\n\n    #cctv-ch07 h2 {\n        letter-spacing: -1.3px;\n    }\n\n    #cctv-ch07 .course-nav-inner {\n        align-items: flex-start;\n        flex-direction: column;\n    }\n\n    #cctv-ch07 .learning-cards,\n    #cctv-ch07 .resolution-grid,\n    #cctv-ch07 .focal-grid,\n    #cctv-ch07 .zoom-grid,\n    #cctv-ch07 .scene-compare,\n    #cctv-ch07 .quiz-grid {\n        grid-template-columns: 1fr;\n    }\n\n    #cctv-ch07 .button-row {\n        flex-direction: column;\n    }\n\n    #cctv-ch07 .btn {\n        width: 100%;\n    }\n\n    #cctv-ch07 .photo-overlay {\n        align-items: flex-start;\n        flex-direction: column;\n        gap: 3px;\n    }\n\n    #cctv-ch07 .fov-stage {\n        min-height: 380px;\n    }\n\n    #cctv-ch07 .fov-camera {\n        left: 4%;\n        width: 80px;\n        height: 56px;\n    }\n\n    #cctv-ch07 .fov-camera::before {\n        right: -21px;\n        top: 12px;\n        width: 22px;\n        height: 31px;\n    }\n\n    #cctv-ch07 .fov-beam {\n        left: calc(4% + 101px);\n    }\n\n    #cctv-ch07 .beam-wide {\n        border-top-width: 115px;\n        border-bottom-width: 115px;\n        border-left-width: 300px;\n    }\n\n    #cctv-ch07 .beam-medium {\n        border-top-width: 78px;\n        border-bottom-width: 78px;\n        border-left-width: 300px;\n    }\n\n    #cctv-ch07 .beam-narrow {\n        border-top-width: 42px;\n        border-bottom-width: 42px;\n        border-left-width: 300px;\n    }\n\n    #cctv-ch07 .fov-label {\n        right: 3%;\n        font-size: 9px;\n    }\n\n    #cctv-ch07 .installation-feature {\n        min-height: 680px;\n    }\n\n    #cctv-ch07 .installation-feature::after {\n        background:\n            linear-gradient(\n                0deg,\n                rgba(4,13,23,.98) 0%,\n                rgba(4,13,23,.84) 65%,\n                rgba(4,13,23,.15) 100%\n            );\n    }\n\n    #cctv-ch07 .installation-content {\n        padding: 28px;\n    }\n\n}\n\n\n\/* =========================================================\n   LANGUAGE SWITCHER\n   ========================================================= *\/\n#cctv-ch07 .cctv-language-bar{\n    width:min(1160px, calc(100% - 38px));\n    margin:18px auto 0;\n    display:flex;\n    justify-content:flex-end;\n    align-items:center;\n    gap:10px;\n    color:#dbe7f5;\n    font-size:12px;\n    font-weight:800;\n    letter-spacing:.04em;\n}\n#cctv-ch07 .cctv-language-bar__label{ color:#9fb0c8; }\n#cctv-ch07 .cctv-language-switcher{\n    display:inline-flex;\n    overflow:hidden;\n    border:1px solid rgba(255,255,255,.18);\n    border-radius:999px;\n    background:rgba(255,255,255,.06);\n}\n#cctv-ch07 .cctv-language-switcher button{\n    appearance:none;\n    border:0;\n    border-right:1px solid rgba(255,255,255,.14);\n    padding:7px 11px;\n    background:transparent;\n    color:#dbe7f5;\n    font:inherit;\n    font-size:12px;\n    font-weight:900;\n    cursor:pointer;\n    transition:.18s ease;\n}\n#cctv-ch07 .cctv-language-switcher button:last-child{ border-right:0; }\n#cctv-ch07 .cctv-language-switcher button:hover{\n    background:rgba(255,255,255,.09);\n    color:#fff;\n}\n#cctv-ch07 .cctv-language-switcher button.is-active{\n    background:var(--red);\n    color:#fff;\n}\n@media(max-width:550px){\n    #cctv-ch07 .cctv-language-bar{\n        width:min(100% - 24px, 1160px);\n        justify-content:space-between;\n        gap:8px;\n    }\n    #cctv-ch07 .cctv-language-bar__label{ font-size:11px; }\n    #cctv-ch07 .cctv-language-switcher button{ padding:7px 10px; }\n}\n<\/style>\n<main class=\"cctv-course-page\" id=\"cctv-ch07\" lang=\"nl\"><div aria-label=\"Language selector\" class=\"cctv-language-bar\">\n<span class=\"cctv-language-bar__label\">Taal \u00b7 Langue \u00b7 Language<\/span>\n<div aria-label=\"NL \/ FR \/ EN\" class=\"cctv-language-switcher\" role=\"group\">\n<button aria-pressed=\"false\" data-lang=\"nl\" type=\"button\">NL<\/button>\n<button aria-pressed=\"false\" data-lang=\"fr\" type=\"button\">FR<\/button>\n<button aria-pressed=\"false\" data-lang=\"en\" type=\"button\">EN<\/button>\n<\/div>\n<\/div>\n<!-- =========================================================\n     CURSUSNAVIGATIE\n     ========================================================= -->\n<nav class=\"course-nav\">\n<div class=\"wrap course-nav-inner\">\n<a href=\"https:\/\/cctvacademy.be\/nl\/soorten-bewakingscameras\/\">\n            \u2190 Hoofdstuk 6\n        <\/a>\n<span class=\"module-no\">\n            MODULE 07 \/ 10\n        <\/span>\n<a href=\"https:\/\/cctvacademy.be\/nl\/cctv-bekabeling\/\">\n            Hoofdstuk 8 \u2192\n        <\/a>\n<\/div>\n<\/nav>\n<!-- =========================================================\n     HERO\n     ========================================================= -->\n<section class=\"hero\">\n<div class=\"wrap\">\n<div class=\"hero-grid\">\n<div>\n<div class=\"badge\">\n<span class=\"badge-dot\"><\/span>\n\n                    Basis CCTV Opleiding \u00b7 Hoofdstuk 07\n\n                <\/div>\n<h1>\n                    Resolutie<br\/>\n                    &amp; lenzen.\n                <\/h1>\n<p class=\"lead\">\n\n                    Meer megapixels betekent\n                    meer beeldinformatie.\n\n                    Maar als de verkeerde lens\n                    naar de verkeerde zone kijkt,\n                    lossen extra pixels het probleem\n\n                    <strong>niet op.<\/strong>\n<\/p>\n<p class=\"muted\">\n\n                    In dit hoofdstuk leer je\n                    hoe resolutie,\n                    brandpuntsafstand\n                    en beeldhoek samenwerken.\n\n                    Je ontdekt ook het verschil tussen\n                    vaste, varifocale\n                    en gemotoriseerde lenzen.\n\n                <\/p>\n<div class=\"button-row\" style=\"margin-top:30px;\">\n<a class=\"btn btn-primary\" href=\"#resolutie\">\n                        Start hoofdstuk \u2193\n                    <\/a>\n<a class=\"btn btn-secondary\" href=\"https:\/\/cctvacademy.be\/nl\/overzicht-cctv-cameras-en-opnamesystemen\/#cctv-level01-modules\">\n                        Alle hoofdstukken\n                    <\/a>\n<\/div>\n<\/div>\n<!-- HERO CCTV-LENS -->\n<div class=\"hero-photo-wrap\">\n<span class=\"floating-label\">\n                    OPTICS \/\/ DETAIL\n                <\/span>\n<figure class=\"hero-photo\">\n<img data-recalc-dims=\"1\" decoding=\"async\" alt=\"Close-up van de lens van een CCTV-bewakingscamera\" fetchpriority=\"high\" loading=\"eager\" src=\"https:\/\/i0.wp.com\/images.pexels.com\/photos\/17527824\/pexels-photo-17527824\/free-photo-of-close-up-of-surveillance-camera.jpeg?w=812&#038;ssl=1\"\/>\n<figcaption class=\"photo-overlay\">\n<span>\n                            Sensor en lens bepalen samen wat de camera ziet\n                        <\/span>\n<strong>\n                            LENS \/\/ SENSOR \/\/ IMAGE\n                        <\/strong>\n<\/figcaption>\n<\/figure>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<!-- =========================================================\n     LEERDOELEN\n     ========================================================= -->\n<section class=\"section learning\">\n<div class=\"wrap\">\n<div class=\"learning-grid\">\n<div>\n<span class=\"kicker\">\n                    Na dit hoofdstuk\n                <\/span>\n<h2>\n                    Je kijkt verder dan alleen megapixels.\n                <\/h2>\n<p class=\"muted\">\n\n                    Beeldkwaliteit begint\n                    bij een combinatie van\n                    sensor, resolutie,\n                    lens en montagepositie.\n\n                <\/p>\n<\/div>\n<div class=\"learning-cards\">\n<div class=\"learning-card\">\n<span class=\"number\">\n                        01\n                    <\/span>\n<h3>\n                        Resolutie\n                    <\/h3>\n<p class=\"muted\">\n\n                        Je begrijpt wat pixels\n                        en megapixels vertellen.\n\n                    <\/p>\n<\/div>\n<div class=\"learning-card\">\n<span class=\"number\">\n                        02\n                    <\/span>\n<h3>\n                        Brandpuntsafstand\n                    <\/h3>\n<p class=\"muted\">\n\n                        Je begrijpt wat\n                        de millimeterwaarde\n                        van een lens betekent.\n\n                    <\/p>\n<\/div>\n<div class=\"learning-card\">\n<span class=\"number\">\n                        03\n                    <\/span>\n<h3>\n                        Beeldhoek\n                    <\/h3>\n<p class=\"muted\">\n\n                        Je begrijpt waarom\n                        breed en ver\n                        twee verschillende doelen zijn.\n\n                    <\/p>\n<\/div>\n<div class=\"learning-card\">\n<span class=\"number\">\n                        04\n                    <\/span>\n<h3>\n                        Lens kiezen\n                    <\/h3>\n<p class=\"muted\">\n\n                        Je kent het verschil\n                        tussen fixed,\n                        varifocal en motorized.\n\n                    <\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<!-- =========================================================\n     RESOLUTIE\n     ========================================================= -->\n<section class=\"section\" id=\"resolutie\">\n<div class=\"wrap\">\n<span class=\"kicker\">\n            Eerst de sensor \/\/ Pixels\n        <\/span>\n<h2>\n            Wat betekent<br\/>\n            cameraresolutie?\n        <\/h2>\n<div class=\"definition\">\n<p class=\"lead\">\n\n                Een digitaal camerabeeld\n                bestaat uit zeer veel kleine beeldpunten:\n\n                <strong style=\"color:#fff200;\">\n                    pixels.\n                <\/strong>\n<\/p>\n<p class=\"muted\">\n\n                Hoe meer pixels de sensor\n                in het uiteindelijke beeld gebruikt,\n                hoe meer digitale beeldinformatie\n                beschikbaar kan zijn.\n\n            <\/p>\n<p class=\"muted\" style=\"margin-bottom:0;\">\n\n                E\u00e9n megapixel betekent ongeveer\n                \u00e9\u00e9n miljoen pixels.\n\n                Maar het aantal megapixels\n                vertelt niet op zichzelf\n                hoe goed een camera\n                een persoon of object zal herkennen.\n\n            <\/p>\n<\/div>\n<\/div>\n<\/section>\n<!-- =========================================================\n     RESOLUTION LEVELS\n     ========================================================= -->\n<section class=\"section\">\n<div class=\"wrap\">\n<span class=\"kicker\">\n            Resolution \/\/ Comparison\n        <\/span>\n<h2>\n            Meer pixels.<br\/>\n            Meer beeldinformatie.\n        <\/h2>\n<div class=\"resolution-grid\">\n<article class=\"resolution-card\" data-big=\"2MP\" style=\"--accent:#32f1dc;\">\n<small>\n                    Veelgebruikte klasse\n                <\/small>\n<span class=\"mp-value\" style=\"--accent:#32f1dc;\">\n                    2 MP\n                <\/span>\n<h3>\n                    Full-HD-klasse\n                <\/h3>\n<p>\n\n                    Ongeveer twee miljoen pixels\n                    per beeld.\n\n                    Kan voldoende zijn\n                    wanneer het te bewaken gebied\n                    beperkt is en de camera\n                    correct is geplaatst.\n\n                <\/p>\n<\/article>\n<article class=\"resolution-card\" data-big=\"4MP\" style=\"--accent:#32b7ff;\">\n<small>\n                    Meer beeldinformatie\n                <\/small>\n<span class=\"mp-value\" style=\"--accent:#32b7ff;\">\n                    4 MP\n                <\/span>\n<h3>\n                    Extra detail\n                <\/h3>\n<p>\n\n                    Meer pixels kunnen\n                    meer detail leveren\n                    binnen dezelfde beeldhoek,\n                    mits lens, sensor,\n                    licht en instellingen\n                    dit ondersteunen.\n\n                <\/p>\n<\/article>\n<article class=\"resolution-card\" data-big=\"8MP\" style=\"--accent:#fff200;\">\n<small>\n                    4K-klasse\n                <\/small>\n<span class=\"mp-value\" style=\"--accent:#fff200;\">\n                    8 MP\n                <\/span>\n<h3>\n                    Hoge resolutie\n                <\/h3>\n<p>\n\n                    4K UHD komt ongeveer overeen\n                    met 8,3 miljoen beeldpixels.\n\n                    Dat biedt veel informatie,\n                    maar vraagt ook meer\n                    bandbreedte en opslag.\n\n                <\/p>\n<\/article>\n<article class=\"resolution-card\" data-big=\"MP+\" style=\"--accent:#ff6fae;\">\n<small>\n                    Hoger is niet automatisch beter\n                <\/small>\n<span class=\"mp-value\" style=\"--accent:#ff6fae;\">\n                    +\n                <\/span>\n<h3>\n                    Het volledige systeem telt\n                <\/h3>\n<p>\n\n                    Sensorformaat,\n                    lichtgevoeligheid,\n                    lens,\n                    compressie,\n                    bitrate en montage\n                    be\u00efnvloeden eveneens\n                    het uiteindelijke beeld.\n\n                <\/p>\n<\/article>\n<\/div>\n<div class=\"note\" style=\"margin-top:30px;\">\n<strong>Belangrijk:<\/strong>\n\n            twee camera's met hetzelfde aantal megapixels\n            kunnen in de praktijk\n            een heel verschillend beeld leveren.\n\n            Resolutie is \u00e9\u00e9n specificatie,\n            geen volledige beoordeling\n            van de camera.\n\n        <\/div>\n<\/div>\n<\/section>\n<!-- =========================================================\n     PIXELS VISUAL\n     ========================================================= -->\n<section class=\"section\">\n<div class=\"wrap\">\n<div class=\"pixel-box\">\n<div class=\"pixel-screen\">\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<span class=\"pixel\"><\/span>\n<\/div>\n<div>\n<span class=\"kicker\">\n                    Pixel density\n                <\/span>\n<h2>\n                    Het onderwerp moet voldoende pixels krijgen.\n                <\/h2>\n<p class=\"lead\">\n\n                    Een camera kan veel pixels hebben,\n                    maar wanneer het onderwerp\n                    maar een klein stukje\n                    van het totale beeld inneemt,\n                    blijven er relatief weinig pixels\n                    voor dat onderwerp over.\n\n                <\/p>\n<p class=\"muted\">\n\n                    Daarom zijn beeldhoek,\n                    afstand tot het onderwerp\n                    en lenskeuze minstens zo belangrijk\n                    als de resolutie.\n\n                <\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<!-- =========================================================\n     CAMERA LENS FOTO\n     ========================================================= -->\n<section class=\"section\">\n<div class=\"wrap\">\n<div class=\"editorial\">\n<figure class=\"photo-card\">\n<img data-recalc-dims=\"1\" decoding=\"async\" alt=\"Close-up van professionele camera-optiek met lensmarkeringen\" loading=\"lazy\" src=\"https:\/\/i0.wp.com\/images.pexels.com\/photos\/10476056\/pexels-photo-10476056.jpeg?w=812&#038;ssl=1\"\/>\n<figcaption class=\"photo-caption\">\n<strong>\n                        De lens bepaalt welk deel van de wereld de sensor ziet.\n                    <\/strong>\n<span>\n                        Brandpuntsafstand wordt uitgedrukt in millimeter.\n                    <\/span>\n<\/figcaption>\n<\/figure>\n<div>\n<span class=\"kicker\">\n                    Lens \/\/ Focal length\n                <\/span>\n<h2>\n                    Wat betekent<br\/>\n                    bijvoorbeeld 2,8 mm?\n                <\/h2>\n<p class=\"lead\">\n\n                    De millimeterwaarde\n                    van een lens verwijst\n                    naar de\n\n                    <strong>brandpuntsafstand.<\/strong>\n<\/p>\n<p class=\"muted\">\n\n                    Bij CCTV geldt als praktisch uitgangspunt:\n\n                    een kortere brandpuntsafstand\n                    geeft doorgaans een bredere beeldhoek.\n\n                    Een langere brandpuntsafstand\n                    geeft doorgaans een smallere beeldhoek\n                    en haalt een kleiner gebied\n                    groter in beeld.\n\n                <\/p>\n<div class=\"note\">\n<strong>Onthoud:<\/strong>\n\n                    laag aantal millimeter = breder beeld.\n\n                    Hoog aantal millimeter = smaller,\n                    meer gericht beeld.\n\n                <\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<!-- =========================================================\n     FIELD OF VIEW VISUAL\n     ========================================================= -->\n<section class=\"section fov-section\">\n<div class=\"wrap\">\n<span class=\"kicker\">\n            Field of View \/\/ Beeldhoek\n        <\/span>\n<h2>\n            De lens bepaalt<br\/>\n            hoe breed je kijkt.\n        <\/h2>\n<p class=\"lead\">\n\n            Onderstaand schema is bewust vereenvoudigd,\n            maar toont het basisprincipe.\n\n        <\/p>\n<div class=\"fov-stage\">\n<div class=\"fov-camera\"><\/div>\n<div class=\"fov-beam beam-wide\"><\/div>\n<div class=\"fov-beam beam-medium\"><\/div>\n<div class=\"fov-beam beam-narrow\"><\/div>\n<span class=\"fov-label label-wide\">\n                KORTE LENS \u00b7 BREDE BEELDHOEK\n            <\/span>\n<span class=\"fov-label label-medium\">\n                MID \u00b7 GEMIDDELDE BEELDHOEK\n            <\/span>\n<span class=\"fov-label label-narrow\">\n                LANGE LENS \u00b7 SMALLE BEELDHOEK\n            <\/span>\n<\/div>\n<\/div>\n<\/section>\n<!-- =========================================================\n     FOCAL LENGTH\n     ========================================================= -->\n<section class=\"section\">\n<div class=\"wrap\">\n<span class=\"kicker\">\n            Praktische vergelijking\n        <\/span>\n<h2>\n            2,8 mm is iets anders<br\/>\n            dan 12 mm.\n        <\/h2>\n<p class=\"lead\">\n\n            De exacte beeldhoek\n            hangt ook af van de sensor\n            en het concrete cameraontwerp.\n\n            Gebruik deze waarden dus\n            om het principe te begrijpen,\n            niet als universele gradenmeting.\n\n        <\/p>\n<div class=\"focal-grid\">\n<article class=\"focal-card\" style=\"--accent:#32f1dc;\">\n<small>\n                    ZEER BREED\n                <\/small>\n<span class=\"focal-value\" style=\"--accent:#32f1dc;\">\n                    2.8 mm\n                <\/span>\n<div class=\"angle-demo\" style=\"\n                        --accent:#32f1dc;\n                        --beam-height:36px;\n                        --beam-color:rgba(50,241,220,.22);\n                    \"><\/div>\n<h3>\n                    Breed overzicht\n                <\/h3>\n<p>\n\n                    Populair wanneer een camera\n                    een relatief brede ruimte\n                    moet overzien.\n\n                <\/p>\n<\/article>\n<article class=\"focal-card\" style=\"--accent:#32b7ff;\">\n<small>\n                    BREED \/ MID\n                <\/small>\n<span class=\"focal-value\" style=\"--accent:#32b7ff;\">\n                    4 mm\n                <\/span>\n<div class=\"angle-demo\" style=\"\n                        --accent:#32b7ff;\n                        --beam-height:28px;\n                        --beam-color:rgba(50,183,255,.22);\n                    \"><\/div>\n<h3>\n                    Iets gerichter\n                <\/h3>\n<p>\n\n                    Minder breed dan 2,8 mm\n                    en daardoor kan een onderwerp\n                    groter in het beeld verschijnen.\n\n                <\/p>\n<\/article>\n<article class=\"focal-card\" style=\"--accent:#fff200;\">\n<small>\n                    MID \/ TELE\n                <\/small>\n<span class=\"focal-value\" style=\"--accent:#fff200;\">\n                    6 mm\n                <\/span>\n<div class=\"angle-demo\" style=\"\n                        --accent:#fff200;\n                        --beam-height:20px;\n                        --beam-color:rgba(255,242,0,.18);\n                    \"><\/div>\n<h3>\n                    Gerichte zone\n                <\/h3>\n<p>\n\n                    Interessant wanneer\n                    de aandacht sterker\n                    op een specifieke\n                    zone moet liggen.\n\n                <\/p>\n<\/article>\n<article class=\"focal-card\" style=\"--accent:#ff6fae;\">\n<small>\n                    SMAL\n                <\/small>\n<span class=\"focal-value\" style=\"--accent:#ff6fae;\">\n                    12 mm\n                <\/span>\n<div class=\"angle-demo\" style=\"\n                        --accent:#ff6fae;\n                        --beam-height:10px;\n                        --beam-color:rgba(255,111,174,.22);\n                    \"><\/div>\n<h3>\n                    Smaller en gerichter\n                <\/h3>\n<p>\n\n                    Geschikt wanneer\n                    een kleiner gebied\n                    op grotere afstand\n                    belangrijker is\n                    dan breed overzicht.\n\n                <\/p>\n<\/article>\n<\/div>\n<\/div>\n<\/section>\n<!-- =========================================================\n     WIDE VS NARROW\n     ========================================================= -->\n<section class=\"section\">\n<div class=\"wrap\">\n<span class=\"kicker\">\n            Zelfde locatie \/\/ Andere lens\n        <\/span>\n<h2>\n            Breed overzicht<br\/>\n            versus bruikbaar detail.\n        <\/h2>\n<div class=\"scene-compare\">\n<div class=\"scene scene-wide\">\n<span class=\"scene-title\">\n                    BREDE BEELDHOEK\n                <\/span>\n<span class=\"scene-object\"><\/span>\n<div class=\"scene-caption\">\n\n                    Je ziet veel van de omgeving,\n                    maar het onderwerp neemt\n                    relatief weinig pixels in.\n\n                <\/div>\n<\/div>\n<div class=\"scene scene-narrow\">\n<span class=\"scene-title\">\n                    SMALLERE BEELDHOEK\n                <\/span>\n<span class=\"scene-object\"><\/span>\n<div class=\"scene-caption\">\n\n                    Je ziet minder omgeving,\n                    maar hetzelfde onderwerp\n                    kan aanzienlijk groter\n                    in beeld komen.\n\n                <\/div>\n<\/div>\n<\/div>\n<div class=\"note\" style=\"margin-top:28px;\">\n<strong>Dit is een kernprincipe van CCTV:<\/strong>\n\n            meer overzicht en meer detail\n            zijn vaak tegengestelde wensen.\n\n            De lenskeuze helpt bepalen\n            welk compromis voor de toepassing\n            het meest geschikt is.\n\n        <\/div>\n<\/div>\n<\/section>\n<!-- =========================================================\n     LENS TYPES\n     ========================================================= -->\n<section class=\"section\">\n<div class=\"wrap\">\n<span class=\"kicker\">\n            Lens types\n        <\/span>\n<h2>\n            Fixed, varifocal<br\/>\n            of gemotoriseerd?\n        <\/h2>\n<div class=\"lens-type-grid\">\n<!-- FIXED -->\n<article class=\"lens-type\" data-code=\"FIXED\">\n<div class=\"lens-type-icon\" style=\"--accent:#32f1dc;\">\n                    FIX\n                <\/div>\n<h3>\n                    Vaste lens\n                <\/h3>\n<p>\n\n                    Een vaste lens heeft\n                    \u00e9\u00e9n vaste brandpuntsafstand.\n\n                    Bijvoorbeeld 2,8 mm\n                    of 4 mm.\n\n                <\/p>\n<p>\n\n                    De beeldhoek kan\n                    niet optisch worden aangepast\n                    door in of uit te zoomen.\n\n                <\/p>\n<div class=\"lens-points\">\n<div class=\"lens-point\">\n                        Eenvoudig\n                    <\/div>\n<div class=\"lens-point\">\n                        Vaste beeldhoek\n                    <\/div>\n<div class=\"lens-point\">\n                        Camera correct positioneren\n                    <\/div>\n<\/div>\n<\/article>\n<!-- VARIFOCAL -->\n<article class=\"lens-type\" data-code=\"VARI\">\n<div class=\"lens-type-icon\" style=\"--accent:#fff200;\">\n                    VARI\n                <\/div>\n<h3>\n                    Varifocale lens\n                <\/h3>\n<p>\n\n                    Een varifocale lens\n                    heeft een instelbaar bereik.\n\n                    Bijvoorbeeld van een\n                    brede naar een smallere\n                    beeldhoek.\n\n                <\/p>\n<p>\n\n                    De installateur kan\n                    tijdens de installatie\n                    de juiste uitsnede kiezen.\n\n                <\/p>\n<div class=\"lens-points\">\n<div class=\"lens-point\">\n                        Instelbare beeldhoek\n                    <\/div>\n<div class=\"lens-point\">\n                        Flexibel bij montage\n                    <\/div>\n<div class=\"lens-point\">\n                        Focus controleren\n                    <\/div>\n<\/div>\n<\/article>\n<!-- MOTORIZED -->\n<article class=\"lens-type\" data-code=\"MOTOR\">\n<div class=\"lens-type-icon\" style=\"--accent:#ff6fae;\">\n                    MOTO\n                <\/div>\n<h3>\n                    Gemotoriseerde lens\n                <\/h3>\n<p>\n\n                    Bij een gemotoriseerde\n                    varifocale lens\n                    wordt de brandpuntsafstand\n                    elektronisch ingesteld.\n\n                <\/p>\n<p>\n\n                    Afhankelijk van camera\n                    en systeem kan dit\n                    via software of recorder\n                    worden bediend.\n\n                <\/p>\n<div class=\"lens-points\">\n<div class=\"lens-point\">\n                        Remote instelling\n                    <\/div>\n<div class=\"lens-point\">\n                        Gemakkelijk fijnregelen\n                    <\/div>\n<div class=\"lens-point\">\n                        Optische verandering\n                    <\/div>\n<\/div>\n<\/article>\n<\/div>\n<\/div>\n<\/section>\n<!-- =========================================================\n     OPTICAL VS DIGITAL\n     ========================================================= -->\n<section class=\"section\">\n<div class=\"wrap\">\n<span class=\"kicker\">\n            Zoom \/\/ Niet hetzelfde\n        <\/span>\n<h2>\n            Optische zoom<br\/>\n            versus digitale zoom.\n        <\/h2>\n<div class=\"zoom-grid\">\n<article class=\"zoom-card\" style=\"--accent:#fff200;\">\n<span class=\"zoom-label\" style=\"--accent:#fff200;\">\n                    OPTICAL\n                <\/span>\n<h3>\n                    Optische zoom\n                <\/h3>\n<p>\n\n                    Bij optische zoom\n                    verandert de lens\n                    de beeldhoek.\n\n                <\/p>\n<p style=\"margin-bottom:0;\">\n\n                    Het onderwerp wordt\n                    optisch groter\n                    op de sensor weergegeven.\n\n                    Dit is fundamenteel anders\n                    dan achteraf een stukje\n                    van het beeld vergroten.\n\n                <\/p>\n<\/article>\n<article class=\"zoom-card\" style=\"--accent:#32b7ff;\">\n<span class=\"zoom-label\" style=\"--accent:#32b7ff;\">\n                    DIGITAL\n                <\/span>\n<h3>\n                    Digitale zoom\n                <\/h3>\n<p>\n\n                    Bij digitale zoom\n                    wordt een bestaand deel\n                    van het digitale beeld\n                    vergroot.\n\n                <\/p>\n<p style=\"margin-bottom:0;\">\n\n                    Er worden hierdoor\n                    geen nieuwe details\n                    door de lens geregistreerd.\n\n                    Je vergroot vooral\n                    de pixels die al aanwezig zijn.\n\n                <\/p>\n<\/article>\n<\/div>\n<\/div>\n<\/section>\n<!-- =========================================================\n     INSTALLATION PHOTO\n     ========================================================= -->\n<section class=\"section\">\n<div class=\"wrap\">\n<div class=\"installation-feature\">\n<img data-recalc-dims=\"1\" decoding=\"async\" alt=\"Professionele beveiligingscamera gemonteerd aan een muur\" loading=\"lazy\" src=\"https:\/\/i0.wp.com\/images.pexels.com\/photos\/25384403\/pexels-photo-25384403\/free-photo-of-cctv-camera-on-a-wall.jpeg?w=812&#038;ssl=1\"\/>\n<div class=\"installation-content\">\n<span class=\"kicker\">\n                    Lenskeuze begint op locatie\n                <\/span>\n<h2>\n                    Eerst bepalen wat je wilt zien.\n                <\/h2>\n<p class=\"lead\">\n\n                    De correcte lens\n                    kies je niet vanachter\n                    een prijslijst.\n\n                <\/p>\n<p style=\"color:#d4e0ec;\">\n\n                    Bepaal eerst de afstand,\n                    breedte van de zone,\n                    montagehoogte\n                    en het gewenste detailniveau.\n\n                <\/p>\n<p style=\"color:#d4e0ec;\">\n\n                    Daarna kies je\n                    een brandpuntsafstand\n                    die bij die situatie past.\n\n                <\/p>\n<div class=\"note\" style=\"margin-top:25px;\">\n<strong>Veelgemaakte fout:<\/strong>\n\n                    een zeer brede lens kiezen\n                    omdat je dan \u201calles ziet\u201d.\n\n                    Je krijgt inderdaad veel overzicht,\n                    maar belangrijke onderwerpen\n                    kunnen daardoor te klein\n                    in beeld worden.\n\n                <\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<!-- =========================================================\n     KEUZEPROCES\n     ========================================================= -->\n<section class=\"section choice-section\">\n<div class=\"wrap\">\n<span class=\"kicker\">\n            Denk als een installateur\n        <\/span>\n<h2>\n            Zo kies je<br\/>\n            een camera en lens.\n        <\/h2>\n<div class=\"choice-flow\">\n<div class=\"choice-step\">\n<div class=\"choice-step-number\" style=\"--accent:#fff200;\">\n                    01\n                <\/div>\n<h3>\n                    Bepaal het doel\n                <\/h3>\n<p>\n\n                    Overzicht,\n                    detectie,\n                    herkenning\n                    of identificatie?\n\n                <\/p>\n<\/div>\n<div class=\"arrow\">\n                \u2192\n            <\/div>\n<div class=\"choice-step\">\n<div class=\"choice-step-number\" style=\"--accent:#32f1dc;\">\n                    02\n                <\/div>\n<h3>\n                    Meet de situatie\n                <\/h3>\n<p>\n\n                    Afstand,\n                    breedte,\n                    montagehoogte\n                    en relevante zone.\n\n                <\/p>\n<\/div>\n<div class=\"arrow\">\n                \u2192\n            <\/div>\n<div class=\"choice-step\">\n<div class=\"choice-step-number\" style=\"--accent:#ff6fae;\">\n                    03\n                <\/div>\n<h3>\n                    Kies de lens\n                <\/h3>\n<p>\n\n                    Breed wanneer overzicht\n                    belangrijk is.\n\n                    Smaller wanneer\n                    meer gericht detail nodig is.\n\n                <\/p>\n<\/div>\n<div class=\"arrow\">\n                \u2192\n            <\/div>\n<div class=\"choice-step\">\n<div class=\"choice-step-number\" style=\"--accent:#32b7ff;\">\n                    04\n                <\/div>\n<h3>\n                    Controleer het echte beeld\n                <\/h3>\n<p>\n\n                    Kijk op locatie\n                    of het onderwerp\n                    werkelijk voldoende groot\n                    en bruikbaar in beeld komt.\n\n                <\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<!-- =========================================================\n     RESOLUTION + STORAGE LINK\n     ========================================================= -->\n<section class=\"section\">\n<div class=\"wrap\">\n<div class=\"editorial reverse\">\n<div>\n<span class=\"kicker\">\n                    Resolutie heeft gevolgen\n                <\/span>\n<h2>\n                    Meer pixels komen<br\/>\n                    niet zonder prijs.\n                <\/h2>\n<p class=\"lead\">\n\n                    Een hogere cameraresolutie\n                    kan meer detail leveren,\n                    maar genereert ook\n                    meer videodata.\n\n                <\/p>\n<p class=\"muted\">\n\n                    Daardoor kunnen\n                    netwerkbandbreedte,\n                    recordercapaciteit\n                    en opslagbehoefte stijgen.\n\n                <\/p>\n<p class=\"muted\">\n\n                    Resolutie is dus geen\n                    ge\u00efsoleerde camerakeuze.\n\n                    Ze be\u00efnvloedt\n                    de volledige CCTV-keten.\n\n                <\/p>\n<div class=\"button-row\">\n<a class=\"btn btn-secondary\" href=\"https:\/\/cctvacademy.be\/nl\/cctv-opslag\/\">\n                        Herbekijk hoofdstuk 4 \u2014 Opslag\n                    <\/a>\n<\/div>\n<\/div>\n<figure class=\"photo-card\">\n<img data-recalc-dims=\"1\" decoding=\"async\" alt=\"Professionele surveillancecamera tegen een blauwe lucht\" loading=\"lazy\" src=\"https:\/\/i0.wp.com\/images.pexels.com\/photos\/32516148\/pexels-photo-32516148.jpeg?w=812&#038;ssl=1\"\/>\n<figcaption class=\"photo-caption\">\n<strong>\n                        Camera, lens, netwerk en recorder vormen \u00e9\u00e9n systeem.\n                    <\/strong>\n<span>\n                        Een wijziging aan \u00e9\u00e9n component\n                        kan gevolgen hebben voor de rest.\n                    <\/span>\n<\/figcaption>\n<\/figure>\n<\/div>\n<\/div>\n<\/section>\n<!-- =========================================================\n     MICRO LEARNING\n     ========================================================= -->\n<section class=\"micro\">\n<div class=\"wrap\">\n<div class=\"micro-box\">\n<div class=\"micro-grid\">\n<div>\n<span class=\"kicker\">\n                        CCTV Academy \/\/ Micro-Learning\n                    <\/span>\n<h2>\n                        Verwissel de lens.<br\/>\n                        En kijk wat er gebeurt.\n                    <\/h2>\n<p class=\"lead\">\n\n                        2,8 mm.\n                        4 mm.\n                        6 mm.\n\n                        Op papier zijn het\n                        slechts millimeters.\n\n                        Op het scherm verandert\n                        je volledige beeld.\n\n                    <\/p>\n<p class=\"muted\">\n\n                        Tijdens CCTV Micro-Learning\n                        kun je zelf verschillende\n                        beeldhoeken en resoluties vergelijken.\n\n                        Richt een camera,\n                        verander de zoom\n                        en kijk hoeveel detail\n                        een onderwerp werkelijk krijgt.\n\n                    <\/p>\n<div class=\"button-row\" style=\"margin-top:28px;\">\n<a class=\"btn btn-primary\" href=\"https:\/\/cctvacademy.be\/nl\/wat-mag-je-verwachten-van-cctv-micro-learning\/\">\n                            Ontdek CCTV Micro-Learning \u2192\n                        <\/a>\n<\/div>\n<\/div>\n<div class=\"practice-list\">\n<div class=\"practice-item\">\n<span class=\"practice-check\">\n                            \u2713\n                        <\/span>\n\n                        2,8 mm en 4 mm vergelijken\n\n                    <\/div>\n<div class=\"practice-item\">\n<span class=\"practice-check\">\n                            \u2713\n                        <\/span>\n\n                        Varifocale lens instellen\n\n                    <\/div>\n<div class=\"practice-item\">\n<span class=\"practice-check\">\n                            \u2713\n                        <\/span>\n\n                        Motorzoom bedienen\n\n                    <\/div>\n<div class=\"practice-item\">\n<span class=\"practice-check\">\n                            \u2713\n                        <\/span>\n\n                        Beeldhoek beoordelen\n\n                    <\/div>\n<div class=\"practice-item\">\n<span class=\"practice-check\">\n                            \u2713\n                        <\/span>\n\n                        Resolutie en detail vergelijken\n\n                    <\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<!-- =========================================================\n     KENNISCHECK\n     ========================================================= -->\n<section class=\"section quiz-section\">\n<div class=\"wrap\">\n<span class=\"kicker\">\n            Check jezelf\n        <\/span>\n<h2>\n            Kijk jij al<br\/>\n            door de juiste lens?\n        <\/h2>\n<div class=\"quiz-grid\">\n<div class=\"quiz\">\n<small>\n                    VRAAG 01\n                <\/small>\n<p>\n\n                    Wat betekent\n                    een hogere cameraresolutie?\n\n                <\/p>\n<\/div>\n<div class=\"quiz\">\n<small>\n                    VRAAG 02\n                <\/small>\n<p>\n\n                    Geeft een 2,8 mm-lens\n                    doorgaans een bredere\n                    of smallere beeldhoek\n                    dan een 12 mm-lens?\n\n                <\/p>\n<\/div>\n<div class=\"quiz\">\n<small>\n                    VRAAG 03\n                <\/small>\n<p>\n\n                    Wat is het verschil\n                    tussen een vaste\n                    en een varifocale lens?\n\n                <\/p>\n<\/div>\n<div class=\"quiz\">\n<small>\n                    VRAAG 04\n                <\/small>\n<p>\n\n                    Waarom is digitale zoom\n                    niet hetzelfde\n                    als optische zoom?\n\n                <\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<!-- =========================================================\n     SAMENVATTING\n     ========================================================= -->\n<section class=\"section\">\n<div class=\"wrap\">\n<span class=\"kicker\">\n            Samenvatting \/\/ Hoofdstuk 07\n        <\/span>\n<h2>\n            Dit neem je mee.\n        <\/h2>\n<div class=\"definition\">\n<p class=\"lead\">\n\n                Resolutie bepaalt\n                hoeveel digitale beeldinformatie\n\n                <strong style=\"color:#fff200;\">\n                    beschikbaar kan zijn.\n                <\/strong>\n<\/p>\n<p class=\"muted\">\n\n                De lens bepaalt\n                welk deel van de omgeving\n                op die pixels terechtkomt.\n\n            <\/p>\n<p class=\"muted\">\n\n                Een kortere brandpuntsafstand\n                geeft doorgaans\n                een bredere beeldhoek.\n\n                Een langere brandpuntsafstand\n                geeft een smaller\n                en meer gericht beeld.\n\n            <\/p>\n<p class=\"muted\">\n\n                Vaste lenzen hebben\n                \u00e9\u00e9n brandpuntsafstand.\n\n                Varifocale lenzen\n                kunnen worden ingesteld.\n\n                Gemotoriseerde lenzen\n                kunnen elektronisch worden aangepast.\n\n            <\/p>\n<p class=\"muted\" style=\"margin-bottom:0;\">\n\n                Nu we weten\n                welk beeld de camera moet maken,\n                moeten we dat beeld\n                ook betrouwbaar transporteren.\n\n                In hoofdstuk 8 bekijken we:\n\n                <strong style=\"color:#fff200;\">\n                    CCTV-bekabeling.\n                <\/strong>\n<\/p>\n<\/div>\n<\/div>\n<\/section>\n<!-- =========================================================\n     HOOFDSTUKNAVIGATIE\n     ========================================================= -->\n<section class=\"chapter-nav\">\n<div class=\"wrap\">\n<div class=\"chapter-nav-grid\">\n<a class=\"nav-card\" href=\"https:\/\/cctvacademy.be\/nl\/soorten-bewakingscameras\/\">\n<small>\n                    \u2190 Vorig hoofdstuk\n                <\/small>\n<strong>\n                    06 \u00b7 Soorten bewakingscamera's\n                <\/strong>\n<\/a>\n<a class=\"nav-card\" href=\"https:\/\/cctvacademy.be\/nl\/basis-cctv-opleiding\/\">\n<small>\n                    Opleiding\n                <\/small>\n<strong>\n                    Alle hoofdstukken\n                <\/strong>\n<\/a>\n<a class=\"nav-card next\" href=\"https:\/\/cctvacademy.be\/nl\/overzicht-cctv-cameras-en-opnamesystemen\/#cctv-level01-modules\">\n<small>\n                    Volgend hoofdstuk \u2192\n                <\/small>\n<strong>\n                    08 \u00b7 CCTV-bekabeling\n                <\/strong>\n<\/a>\n<\/div>\n<\/div>\n<\/section>\n<!-- =========================================================\n     COPYRIGHT\n     ========================================================= -->\n<footer class=\"copyright\">\n<div class=\"wrap\">\n\n        \u00a9 2026\n\n        <strong>\n            Wouter Rooseboom \/ CCTV Academy\n        <\/strong>\n\n        \u00b7 Alle rechten voorbehouden.\n\n    <\/div>\n<\/footer>\n<\/main>\n<script>\n(function() {\n  \"use strict\";\n\n  const STORAGE_KEY = \"cctv_academy_language\";\n  const root = document.getElementById(\"cctv-ch07\");\n  if (!root) return;\n\n  const translations = {\n    fr: {\"\u2190 Hoofdstuk 6\": \"\u2190 Chapitre 6\", \"MODULE 07 \/ 10\": \"MODULE 07 \/ 10\", \"Hoofdstuk 8 \u2192\": \"Chapitre 8 \u2192\", \"Basis CCTV Opleiding \u00b7 Hoofdstuk 07\": \"Formation CCTV de base \u00b7 Chapitre 07\", \"Resolutie\": \"R\u00e9solution\", \"& lenzen.\": \"& objectifs.\", \"Meer megapixels betekent meer beeldinformatie. Maar als de verkeerde lens naar de verkeerde zone kijkt, lossen extra pixels het probleem\": \"Plus de m\u00e9gapixels signifie plus d\u2019informations visuelles. Mais si le mauvais objectif vise la mauvaise zone, des pixels suppl\u00e9mentaires ne r\u00e9solvent\", \"niet op.\": \"pas le probl\u00e8me.\", \"In dit hoofdstuk leer je hoe resolutie, brandpuntsafstand en beeldhoek samenwerken. Je ontdekt ook het verschil tussen vaste, varifocale en gemotoriseerde lenzen.\": \"Dans ce chapitre, vous apprendrez comment la r\u00e9solution, la distance focale et l\u2019angle de vue fonctionnent ensemble. Vous d\u00e9couvrirez aussi la diff\u00e9rence entre les objectifs fixes, varifocaux et motoris\u00e9s.\", \"Start hoofdstuk \u2193\": \"Commencer le chapitre \u2193\", \"Alle hoofdstukken\": \"Tous les chapitres\", \"OPTICS \/\/ DETAIL\": \"OPTIQUE \/\/ D\u00c9TAIL\", \"Sensor en lens bepalen samen wat de camera ziet\": \"Le capteur et l\u2019objectif d\u00e9terminent ensemble ce que voit la cam\u00e9ra\", \"LENS \/\/ SENSOR \/\/ IMAGE\": \"OBJECTIF \/\/ CAPTEUR \/\/ IMAGE\", \"Na dit hoofdstuk\": \"Apr\u00e8s ce chapitre\", \"Je kijkt verder dan alleen megapixels.\": \"Vous regarderez au-del\u00e0 du simple nombre de m\u00e9gapixels.\", \"Beeldkwaliteit begint bij een combinatie van sensor, resolutie, lens en montagepositie.\": \"La qualit\u00e9 d\u2019image commence par une combinaison du capteur, de la r\u00e9solution, de l\u2019objectif et de la position de montage.\", \"01\": \"01\", \"Je begrijpt wat pixels en megapixels vertellen.\": \"Vous comprenez ce que signifient les pixels et les m\u00e9gapixels.\", \"02\": \"02\", \"Brandpuntsafstand\": \"Distance focale\", \"Je begrijpt wat de millimeterwaarde van een lens betekent.\": \"Vous comprenez ce que signifie la valeur en millim\u00e8tres d\u2019un objectif.\", \"03\": \"03\", \"Beeldhoek\": \"Angle de vue\", \"Je begrijpt waarom breed en ver twee verschillende doelen zijn.\": \"Vous comprenez pourquoi voir large et voir loin sont deux objectifs diff\u00e9rents.\", \"04\": \"04\", \"Lens kiezen\": \"Choisir l\u2019objectif\", \"Je kent het verschil tussen fixed, varifocal en motorized.\": \"Vous connaissez la diff\u00e9rence entre fixed, varifocal et motorized.\", \"Eerst de sensor \/\/ Pixels\": \"D\u2019abord le capteur \/\/ Pixels\", \"Wat betekent\": \"Que signifie\", \"cameraresolutie?\": \"la r\u00e9solution d\u2019une cam\u00e9ra ?\", \"Een digitaal camerabeeld bestaat uit zeer veel kleine beeldpunten:\": \"Une image num\u00e9rique de cam\u00e9ra est compos\u00e9e d\u2019un tr\u00e8s grand nombre de petits points d\u2019image :\", \"pixels.\": \"pixels.\", \"Hoe meer pixels de sensor in het uiteindelijke beeld gebruikt, hoe meer digitale beeldinformatie beschikbaar kan zijn.\": \"Plus le capteur utilise de pixels dans l\u2019image finale, plus il peut y avoir d\u2019informations visuelles num\u00e9riques disponibles.\", \"E\u00e9n megapixel betekent ongeveer \u00e9\u00e9n miljoen pixels. Maar het aantal megapixels vertelt niet op zichzelf hoe goed een camera een persoon of object zal herkennen.\": \"Un m\u00e9gapixel repr\u00e9sente environ un million de pixels. Mais le nombre de m\u00e9gapixels n\u2019indique pas \u00e0 lui seul \u00e0 quel point une cam\u00e9ra reconna\u00eetra bien une personne ou un objet.\", \"Resolution \/\/ Comparison\": \"R\u00e9solution \/\/ Comparaison\", \"Meer pixels.\": \"Plus de pixels.\", \"Meer beeldinformatie.\": \"Plus d\u2019informations visuelles.\", \"Veelgebruikte klasse\": \"Cat\u00e9gorie courante\", \"2 MP\": \"2 MP\", \"Full-HD-klasse\": \"Cat\u00e9gorie Full HD\", \"Ongeveer twee miljoen pixels per beeld. Kan voldoende zijn wanneer het te bewaken gebied beperkt is en de camera correct is geplaatst.\": \"Environ deux millions de pixels par image. Cela peut suffire lorsque la zone \u00e0 surveiller est limit\u00e9e et que la cam\u00e9ra est correctement positionn\u00e9e.\", \"Meer beeldinformatie\": \"Plus d\u2019informations visuelles\", \"4 MP\": \"4 MP\", \"Extra detail\": \"D\u00e9tail suppl\u00e9mentaire\", \"Meer pixels kunnen meer detail leveren binnen dezelfde beeldhoek, mits lens, sensor, licht en instellingen dit ondersteunen.\": \"Davantage de pixels peuvent fournir plus de d\u00e9tails dans le m\u00eame angle de vue, \u00e0 condition que l\u2019objectif, le capteur, la lumi\u00e8re et les r\u00e9glages le permettent.\", \"4K-klasse\": \"Cat\u00e9gorie 4K\", \"8 MP\": \"8 MP\", \"Hoge resolutie\": \"Haute r\u00e9solution\", \"4K UHD komt ongeveer overeen met 8,3 miljoen beeldpixels. Dat biedt veel informatie, maar vraagt ook meer bandbreedte en opslag.\": \"La 4K UHD correspond \u00e0 environ 8,3 millions de pixels d\u2019image. Cela fournit beaucoup d\u2019informations, mais demande aussi davantage de bande passante et de stockage.\", \"Hoger is niet automatisch beter\": \"Plus \u00e9lev\u00e9 n\u2019est pas automatiquement meilleur\", \"+\": \"+\", \"Het volledige systeem telt\": \"L\u2019ensemble du syst\u00e8me compte\", \"Sensorformaat, lichtgevoeligheid, lens, compressie, bitrate en montage be\u00efnvloeden eveneens het uiteindelijke beeld.\": \"La taille du capteur, la sensibilit\u00e9 \u00e0 la lumi\u00e8re, l\u2019objectif, la compression, le bitrate et le montage influencent \u00e9galement l\u2019image finale.\", \"Belangrijk:\": \"Important :\", \"twee camera's met hetzelfde aantal megapixels kunnen in de praktijk een heel verschillend beeld leveren. Resolutie is \u00e9\u00e9n specificatie, geen volledige beoordeling van de camera.\": \"deux cam\u00e9ras ayant le m\u00eame nombre de m\u00e9gapixels peuvent produire en pratique des images tr\u00e8s diff\u00e9rentes. La r\u00e9solution est une sp\u00e9cification parmi d\u2019autres, pas une \u00e9valuation compl\u00e8te de la cam\u00e9ra.\", \"Pixel density\": \"Densit\u00e9 de pixels\", \"Het onderwerp moet voldoende pixels krijgen.\": \"Le sujet doit recevoir suffisamment de pixels.\", \"Een camera kan veel pixels hebben, maar wanneer het onderwerp maar een klein stukje van het totale beeld inneemt, blijven er relatief weinig pixels voor dat onderwerp over.\": \"Une cam\u00e9ra peut avoir beaucoup de pixels, mais si le sujet n\u2019occupe qu\u2019une petite partie de l\u2019image totale, relativement peu de pixels restent disponibles pour ce sujet.\", \"Daarom zijn beeldhoek, afstand tot het onderwerp en lenskeuze minstens zo belangrijk als de resolutie.\": \"C\u2019est pourquoi l\u2019angle de vue, la distance au sujet et le choix de l\u2019objectif sont au moins aussi importants que la r\u00e9solution.\", \"De lens bepaalt welk deel van de wereld de sensor ziet.\": \"L\u2019objectif d\u00e9termine quelle partie du monde le capteur voit.\", \"Brandpuntsafstand wordt uitgedrukt in millimeter.\": \"La distance focale s\u2019exprime en millim\u00e8tres.\", \"Lens \/\/ Focal length\": \"Objectif \/\/ Distance focale\", \"bijvoorbeeld 2,8 mm?\": \"2,8 mm, par exemple ?\", \"De millimeterwaarde van een lens verwijst naar de\": \"La valeur en millim\u00e8tres d\u2019un objectif fait r\u00e9f\u00e9rence \u00e0 la\", \"brandpuntsafstand.\": \"distance focale.\", \"Bij CCTV geldt als praktisch uitgangspunt: een kortere brandpuntsafstand geeft doorgaans een bredere beeldhoek. Een langere brandpuntsafstand geeft doorgaans een smallere beeldhoek en haalt een kleiner gebied groter in beeld.\": \"En CCTV, on peut retenir comme principe pratique qu\u2019une distance focale plus courte donne g\u00e9n\u00e9ralement un angle de vue plus large. Une distance focale plus longue donne g\u00e9n\u00e9ralement un angle de vue plus \u00e9troit et agrandit une zone plus petite dans l\u2019image.\", \"Onthoud:\": \"\u00c0 retenir :\", \"laag aantal millimeter = breder beeld. Hoog aantal millimeter = smaller, meer gericht beeld.\": \"petit nombre de millim\u00e8tres = image plus large. Grand nombre de millim\u00e8tres = image plus \u00e9troite et plus cibl\u00e9e.\", \"Field of View \/\/ Beeldhoek\": \"Champ de vision \/\/ Angle de vue\", \"De lens bepaalt\": \"L\u2019objectif d\u00e9termine\", \"hoe breed je kijkt.\": \"la largeur de ce que vous voyez.\", \"Onderstaand schema is bewust vereenvoudigd, maar toont het basisprincipe.\": \"Le sch\u00e9ma ci-dessous est volontairement simplifi\u00e9, mais il illustre le principe de base.\", \"KORTE LENS \u00b7 BREDE BEELDHOEK\": \"OBJECTIF COURT \u00b7 ANGLE DE VUE LARGE\", \"MID \u00b7 GEMIDDELDE BEELDHOEK\": \"MOYEN \u00b7 ANGLE DE VUE MOYEN\", \"LANGE LENS \u00b7 SMALLE BEELDHOEK\": \"OBJECTIF LONG \u00b7 ANGLE DE VUE \u00c9TROIT\", \"Praktische vergelijking\": \"Comparaison pratique\", \"2,8 mm is iets anders\": \"2,8 mm est diff\u00e9rent\", \"dan 12 mm.\": \"de 12 mm.\", \"De exacte beeldhoek hangt ook af van de sensor en het concrete cameraontwerp. Gebruik deze waarden dus om het principe te begrijpen, niet als universele gradenmeting.\": \"L\u2019angle de vue exact d\u00e9pend aussi du capteur et de la conception concr\u00e8te de la cam\u00e9ra. Utilisez donc ces valeurs pour comprendre le principe, pas comme une mesure universelle en degr\u00e9s.\", \"ZEER BREED\": \"TR\u00c8S LARGE\", \"2.8 mm\": \"2.8 mm\", \"Breed overzicht\": \"Vue d\u2019ensemble large\", \"Populair wanneer een camera een relatief brede ruimte moet overzien.\": \"Populaire lorsqu\u2019une cam\u00e9ra doit couvrir un espace relativement large.\", \"BREED \/ MID\": \"LARGE \/ MOYEN\", \"4 mm\": \"4 mm\", \"Iets gerichter\": \"Un peu plus cibl\u00e9\", \"Minder breed dan 2,8 mm en daardoor kan een onderwerp groter in het beeld verschijnen.\": \"Moins large que 2,8 mm, ce qui peut faire appara\u00eetre un sujet plus grand dans l\u2019image.\", \"MID \/ TELE\": \"MOYEN \/ T\u00c9L\u00c9\", \"6 mm\": \"6 mm\", \"Gerichte zone\": \"Zone cibl\u00e9e\", \"Interessant wanneer de aandacht sterker op een specifieke zone moet liggen.\": \"Int\u00e9ressant lorsque l\u2019attention doit se concentrer davantage sur une zone sp\u00e9cifique.\", \"SMAL\": \"\u00c9TROIT\", \"12 mm\": \"12 mm\", \"Smaller en gerichter\": \"Plus \u00e9troit et plus cibl\u00e9\", \"Geschikt wanneer een kleiner gebied op grotere afstand belangrijker is dan breed overzicht.\": \"Adapt\u00e9 lorsqu\u2019une zone plus petite \u00e0 plus grande distance est plus importante qu\u2019une vue d\u2019ensemble large.\", \"Zelfde locatie \/\/ Andere lens\": \"M\u00eame emplacement \/\/ Autre objectif\", \"versus bruikbaar detail.\": \"contre d\u00e9tail exploitable.\", \"BREDE BEELDHOEK\": \"ANGLE DE VUE LARGE\", \"Je ziet veel van de omgeving, maar het onderwerp neemt relatief weinig pixels in.\": \"Vous voyez une grande partie de l\u2019environnement, mais le sujet occupe relativement peu de pixels.\", \"SMALLERE BEELDHOEK\": \"ANGLE DE VUE PLUS \u00c9TROIT\", \"Je ziet minder omgeving, maar hetzelfde onderwerp kan aanzienlijk groter in beeld komen.\": \"Vous voyez moins de l\u2019environnement, mais le m\u00eame sujet peut appara\u00eetre nettement plus grand dans l\u2019image.\", \"Dit is een kernprincipe van CCTV:\": \"C\u2019est un principe fondamental du CCTV :\", \"meer overzicht en meer detail zijn vaak tegengestelde wensen. De lenskeuze helpt bepalen welk compromis voor de toepassing het meest geschikt is.\": \"davantage de vue d\u2019ensemble et davantage de d\u00e9tail sont souvent des objectifs oppos\u00e9s. Le choix de l\u2019objectif aide \u00e0 d\u00e9terminer le compromis le plus adapt\u00e9 \u00e0 l\u2019application.\", \"Lens types\": \"Types d\u2019objectifs\", \"Fixed, varifocal\": \"Fixed, varifocal\", \"of gemotoriseerd?\": \"ou motoris\u00e9 ?\", \"FIX\": \"FIX\", \"Vaste lens\": \"Objectif fixe\", \"Een vaste lens heeft \u00e9\u00e9n vaste brandpuntsafstand. Bijvoorbeeld 2,8 mm of 4 mm.\": \"Un objectif fixe poss\u00e8de une seule distance focale. Par exemple 2,8 mm ou 4 mm.\", \"De beeldhoek kan niet optisch worden aangepast door in of uit te zoomen.\": \"L\u2019angle de vue ne peut pas \u00eatre ajust\u00e9 optiquement en zoomant vers l\u2019avant ou l\u2019arri\u00e8re.\", \"Eenvoudig\": \"Simple\", \"Vaste beeldhoek\": \"Angle de vue fixe\", \"Camera correct positioneren\": \"Positionner correctement la cam\u00e9ra\", \"VARI\": \"VARI\", \"Varifocale lens\": \"Objectif varifocal\", \"Een varifocale lens heeft een instelbaar bereik. Bijvoorbeeld van een brede naar een smallere beeldhoek.\": \"Un objectif varifocal poss\u00e8de une plage r\u00e9glable. Par exemple d\u2019un angle de vue large \u00e0 un angle plus \u00e9troit.\", \"De installateur kan tijdens de installatie de juiste uitsnede kiezen.\": \"L\u2019installateur peut choisir le cadrage appropri\u00e9 pendant l\u2019installation.\", \"Instelbare beeldhoek\": \"Angle de vue r\u00e9glable\", \"Flexibel bij montage\": \"Flexible lors du montage\", \"Focus controleren\": \"Contr\u00f4ler la mise au point\", \"MOTO\": \"MOTO\", \"Gemotoriseerde lens\": \"Objectif motoris\u00e9\", \"Bij een gemotoriseerde varifocale lens wordt de brandpuntsafstand elektronisch ingesteld.\": \"Avec un objectif varifocal motoris\u00e9, la distance focale est r\u00e9gl\u00e9e \u00e9lectroniquement.\", \"Afhankelijk van camera en systeem kan dit via software of recorder worden bediend.\": \"Selon la cam\u00e9ra et le syst\u00e8me, ce r\u00e9glage peut \u00eatre command\u00e9 via un logiciel ou l\u2019enregistreur.\", \"Remote instelling\": \"R\u00e9glage \u00e0 distance\", \"Gemakkelijk fijnregelen\": \"R\u00e9glage fin facile\", \"Optische verandering\": \"Modification optique\", \"Zoom \/\/ Niet hetzelfde\": \"Zoom \/\/ Pas la m\u00eame chose\", \"Optische zoom\": \"Zoom optique\", \"versus digitale zoom.\": \"contre zoom num\u00e9rique.\", \"OPTICAL\": \"OPTIQUE\", \"Bij optische zoom verandert de lens de beeldhoek.\": \"Avec le zoom optique, l\u2019objectif modifie l\u2019angle de vue.\", \"Het onderwerp wordt optisch groter op de sensor weergegeven. Dit is fundamenteel anders dan achteraf een stukje van het beeld vergroten.\": \"Le sujet est affich\u00e9 optiquement plus grand sur le capteur. C\u2019est fondamentalement diff\u00e9rent du fait d\u2019agrandir apr\u00e8s coup une partie de l\u2019image.\", \"DIGITAL\": \"NUM\u00c9RIQUE\", \"Digitale zoom\": \"Zoom num\u00e9rique\", \"Bij digitale zoom wordt een bestaand deel van het digitale beeld vergroot.\": \"Avec le zoom num\u00e9rique, une partie existante de l\u2019image num\u00e9rique est agrandie.\", \"Er worden hierdoor geen nieuwe details door de lens geregistreerd. Je vergroot vooral de pixels die al aanwezig zijn.\": \"Aucun nouveau d\u00e9tail n\u2019est alors enregistr\u00e9 par l\u2019objectif. Vous agrandissez surtout les pixels d\u00e9j\u00e0 pr\u00e9sents.\", \"Lenskeuze begint op locatie\": \"Le choix de l\u2019objectif commence sur site\", \"Eerst bepalen wat je wilt zien.\": \"D\u00e9terminez d\u2019abord ce que vous voulez voir.\", \"De correcte lens kies je niet vanachter een prijslijst.\": \"On ne choisit pas le bon objectif derri\u00e8re une liste de prix.\", \"Bepaal eerst de afstand, breedte van de zone, montagehoogte en het gewenste detailniveau.\": \"D\u00e9terminez d\u2019abord la distance, la largeur de la zone, la hauteur de montage et le niveau de d\u00e9tail souhait\u00e9.\", \"Daarna kies je een brandpuntsafstand die bij die situatie past.\": \"Choisissez ensuite une distance focale adapt\u00e9e \u00e0 cette situation.\", \"Veelgemaakte fout:\": \"Erreur fr\u00e9quente :\", \"een zeer brede lens kiezen omdat je dan \u201calles ziet\u201d. Je krijgt inderdaad veel overzicht, maar belangrijke onderwerpen kunnen daardoor te klein in beeld worden.\": \"choisir un objectif tr\u00e8s large parce qu\u2019ainsi vous \u00ab voyez tout \u00bb. Vous obtenez effectivement beaucoup de vue d\u2019ensemble, mais des sujets importants peuvent alors appara\u00eetre trop petits dans l\u2019image.\", \"Denk als een installateur\": \"Pensez comme un installateur\", \"Zo kies je\": \"Voici comment choisir\", \"een camera en lens.\": \"une cam\u00e9ra et un objectif.\", \"Bepaal het doel\": \"D\u00e9terminez l\u2019objectif\", \"Overzicht, detectie, herkenning of identificatie?\": \"Vue d\u2019ensemble, d\u00e9tection, reconnaissance ou identification ?\", \"\u2192\": \"\u2192\", \"Meet de situatie\": \"Mesurez la situation\", \"Afstand, breedte, montagehoogte en relevante zone.\": \"Distance, largeur, hauteur de montage et zone pertinente.\", \"Kies de lens\": \"Choisissez l\u2019objectif\", \"Breed wanneer overzicht belangrijk is. Smaller wanneer meer gericht detail nodig is.\": \"Large lorsque la vue d\u2019ensemble est importante. Plus \u00e9troit lorsqu\u2019un d\u00e9tail plus cibl\u00e9 est n\u00e9cessaire.\", \"Controleer het echte beeld\": \"Contr\u00f4lez l\u2019image r\u00e9elle\", \"Kijk op locatie of het onderwerp werkelijk voldoende groot en bruikbaar in beeld komt.\": \"V\u00e9rifiez sur site si le sujet appara\u00eet r\u00e9ellement suffisamment grand et exploitable dans l\u2019image.\", \"Resolutie heeft gevolgen\": \"La r\u00e9solution a des cons\u00e9quences\", \"Meer pixels komen\": \"Plus de pixels ont\", \"niet zonder prijs.\": \"un co\u00fbt.\", \"Een hogere cameraresolutie kan meer detail leveren, maar genereert ook meer videodata.\": \"Une r\u00e9solution de cam\u00e9ra plus \u00e9lev\u00e9e peut fournir plus de d\u00e9tails, mais elle g\u00e9n\u00e8re aussi davantage de donn\u00e9es vid\u00e9o.\", \"Daardoor kunnen netwerkbandbreedte, recordercapaciteit en opslagbehoefte stijgen.\": \"La bande passante r\u00e9seau, la capacit\u00e9 de l\u2019enregistreur et les besoins de stockage peuvent donc augmenter.\", \"Resolutie is dus geen ge\u00efsoleerde camerakeuze. Ze be\u00efnvloedt de volledige CCTV-keten.\": \"La r\u00e9solution n\u2019est donc pas un choix isol\u00e9 concernant la cam\u00e9ra. Elle influence toute la cha\u00eene CCTV.\", \"Herbekijk hoofdstuk 4 \u2014 Opslag\": \"Revoir le chapitre 4 \u2014 Stockage\", \"Camera, lens, netwerk en recorder vormen \u00e9\u00e9n systeem.\": \"Cam\u00e9ra, objectif, r\u00e9seau et enregistreur forment un seul syst\u00e8me.\", \"Een wijziging aan \u00e9\u00e9n component kan gevolgen hebben voor de rest.\": \"Une modification d\u2019un composant peut avoir des cons\u00e9quences sur le reste.\", \"CCTV Academy \/\/ Micro-Learning\": \"CCTV Academy \/\/ Micro-Learning\", \"Verwissel de lens.\": \"Changez l\u2019objectif.\", \"En kijk wat er gebeurt.\": \"Et observez ce qui se passe.\", \"2,8 mm. 4 mm. 6 mm. Op papier zijn het slechts millimeters. Op het scherm verandert je volledige beeld.\": \"2,8 mm. 4 mm. 6 mm. Sur le papier, ce ne sont que des millim\u00e8tres. \u00c0 l\u2019\u00e9cran, toute votre image change.\", \"Tijdens CCTV Micro-Learning kun je zelf verschillende beeldhoeken en resoluties vergelijken. Richt een camera, verander de zoom en kijk hoeveel detail een onderwerp werkelijk krijgt.\": \"Pendant le CCTV Micro-Learning, vous pouvez comparer vous-m\u00eame diff\u00e9rents angles de vue et diff\u00e9rentes r\u00e9solutions. Orientez une cam\u00e9ra, modifiez le zoom et observez combien de d\u00e9tails un sujet obtient r\u00e9ellement.\", \"Ontdek CCTV Micro-Learning \u2192\": \"D\u00e9couvrir le CCTV Micro-Learning \u2192\", \"\u2713\": \"\u2713\", \"2,8 mm en 4 mm vergelijken\": \"Comparer 2,8 mm et 4 mm\", \"Varifocale lens instellen\": \"R\u00e9gler un objectif varifocal\", \"Motorzoom bedienen\": \"Commander le zoom motoris\u00e9\", \"Beeldhoek beoordelen\": \"\u00c9valuer l\u2019angle de vue\", \"Resolutie en detail vergelijken\": \"Comparer r\u00e9solution et d\u00e9tail\", \"Check jezelf\": \"Testez-vous\", \"Kijk jij al\": \"Regardez-vous d\u00e9j\u00e0\", \"door de juiste lens?\": \"\u00e0 travers le bon objectif ?\", \"VRAAG 01\": \"QUESTION 01\", \"Wat betekent een hogere cameraresolutie?\": \"Que signifie une r\u00e9solution de cam\u00e9ra plus \u00e9lev\u00e9e ?\", \"VRAAG 02\": \"QUESTION 02\", \"Geeft een 2,8 mm-lens doorgaans een bredere of smallere beeldhoek dan een 12 mm-lens?\": \"Un objectif de 2,8 mm donne-t-il g\u00e9n\u00e9ralement un angle de vue plus large ou plus \u00e9troit qu\u2019un objectif de 12 mm ?\", \"VRAAG 03\": \"QUESTION 03\", \"Wat is het verschil tussen een vaste en een varifocale lens?\": \"Quelle est la diff\u00e9rence entre un objectif fixe et un objectif varifocal ?\", \"VRAAG 04\": \"QUESTION 04\", \"Waarom is digitale zoom niet hetzelfde als optische zoom?\": \"Pourquoi le zoom num\u00e9rique n\u2019est-il pas identique au zoom optique ?\", \"Samenvatting \/\/ Hoofdstuk 07\": \"R\u00e9sum\u00e9 \/\/ Chapitre 07\", \"Dit neem je mee.\": \"\u00c0 retenir.\", \"Resolutie bepaalt hoeveel digitale beeldinformatie\": \"La r\u00e9solution d\u00e9termine la quantit\u00e9 d\u2019informations visuelles num\u00e9riques qui\", \"beschikbaar kan zijn.\": \"peut \u00eatre disponible.\", \"De lens bepaalt welk deel van de omgeving op die pixels terechtkomt.\": \"L\u2019objectif d\u00e9termine quelle partie de l\u2019environnement est projet\u00e9e sur ces pixels.\", \"Een kortere brandpuntsafstand geeft doorgaans een bredere beeldhoek. Een langere brandpuntsafstand geeft een smaller en meer gericht beeld.\": \"Une distance focale plus courte donne g\u00e9n\u00e9ralement un angle de vue plus large. Une distance focale plus longue donne une image plus \u00e9troite et plus cibl\u00e9e.\", \"Vaste lenzen hebben \u00e9\u00e9n brandpuntsafstand. Varifocale lenzen kunnen worden ingesteld. Gemotoriseerde lenzen kunnen elektronisch worden aangepast.\": \"Les objectifs fixes ont une seule distance focale. Les objectifs varifocaux peuvent \u00eatre r\u00e9gl\u00e9s. Les objectifs motoris\u00e9s peuvent \u00eatre ajust\u00e9s \u00e9lectroniquement.\", \"Nu we weten welk beeld de camera moet maken, moeten we dat beeld ook betrouwbaar transporteren. In hoofdstuk 8 bekijken we:\": \"Maintenant que nous savons quelle image la cam\u00e9ra doit produire, nous devons aussi transporter cette image de mani\u00e8re fiable. Au chapitre 8, nous abordons :\", \"CCTV-bekabeling.\": \"le c\u00e2blage CCTV.\", \"\u2190 Vorig hoofdstuk\": \"\u2190 Chapitre pr\u00e9c\u00e9dent\", \"06 \u00b7 Soorten bewakingscamera's\": \"06 \u00b7 Types de cam\u00e9ras de surveillance\", \"Opleiding\": \"Formation\", \"Volgend hoofdstuk \u2192\": \"Chapitre suivant \u2192\", \"08 \u00b7 CCTV-bekabeling\": \"08 \u00b7 C\u00e2blage CCTV\", \"\u00a9 2026\": \"\u00a9 2026\", \"Wouter Rooseboom \/ CCTV Academy\": \"Wouter Rooseboom \/ CCTV Academy\", \"\u00b7 Alle rechten voorbehouden.\": \"\u00b7 Tous droits r\u00e9serv\u00e9s.\"},\n    en: {\"\u2190 Hoofdstuk 6\": \"\u2190 Chapter 6\", \"MODULE 07 \/ 10\": \"MODULE 07 \/ 10\", \"Hoofdstuk 8 \u2192\": \"Chapter 8 \u2192\", \"Basis CCTV Opleiding \u00b7 Hoofdstuk 07\": \"Basic CCTV Course \u00b7 Chapter 07\", \"Resolutie\": \"Resolution\", \"& lenzen.\": \"& lenses.\", \"Meer megapixels betekent meer beeldinformatie. Maar als de verkeerde lens naar de verkeerde zone kijkt, lossen extra pixels het probleem\": \"More megapixels mean more image information. But if the wrong lens is aimed at the wrong area, extra pixels do\", \"niet op.\": \"not solve the problem.\", \"In dit hoofdstuk leer je hoe resolutie, brandpuntsafstand en beeldhoek samenwerken. Je ontdekt ook het verschil tussen vaste, varifocale en gemotoriseerde lenzen.\": \"In this chapter, you will learn how resolution, focal length and field of view work together. You will also discover the difference between fixed, varifocal and motorized lenses.\", \"Start hoofdstuk \u2193\": \"Start chapter \u2193\", \"Alle hoofdstukken\": \"All chapters\", \"OPTICS \/\/ DETAIL\": \"OPTICS \/\/ DETAIL\", \"Sensor en lens bepalen samen wat de camera ziet\": \"Sensor and lens together determine what the camera sees\", \"LENS \/\/ SENSOR \/\/ IMAGE\": \"LENS \/\/ SENSOR \/\/ IMAGE\", \"Na dit hoofdstuk\": \"After this chapter\", \"Je kijkt verder dan alleen megapixels.\": \"You will look beyond megapixels alone.\", \"Beeldkwaliteit begint bij een combinatie van sensor, resolutie, lens en montagepositie.\": \"Image quality starts with a combination of sensor, resolution, lens and mounting position.\", \"01\": \"01\", \"Je begrijpt wat pixels en megapixels vertellen.\": \"You understand what pixels and megapixels tell you.\", \"02\": \"02\", \"Brandpuntsafstand\": \"Focal length\", \"Je begrijpt wat de millimeterwaarde van een lens betekent.\": \"You understand what the millimetre value of a lens means.\", \"03\": \"03\", \"Beeldhoek\": \"Field of view\", \"Je begrijpt waarom breed en ver twee verschillende doelen zijn.\": \"You understand why seeing wide and seeing far are two different goals.\", \"04\": \"04\", \"Lens kiezen\": \"Choosing a lens\", \"Je kent het verschil tussen fixed, varifocal en motorized.\": \"You know the difference between fixed, varifocal and motorized.\", \"Eerst de sensor \/\/ Pixels\": \"First the sensor \/\/ Pixels\", \"Wat betekent\": \"What does\", \"cameraresolutie?\": \"camera resolution mean?\", \"Een digitaal camerabeeld bestaat uit zeer veel kleine beeldpunten:\": \"A digital camera image consists of a very large number of small picture elements:\", \"pixels.\": \"pixels.\", \"Hoe meer pixels de sensor in het uiteindelijke beeld gebruikt, hoe meer digitale beeldinformatie beschikbaar kan zijn.\": \"The more pixels the sensor uses in the final image, the more digital image information may be available.\", \"E\u00e9n megapixel betekent ongeveer \u00e9\u00e9n miljoen pixels. Maar het aantal megapixels vertelt niet op zichzelf hoe goed een camera een persoon of object zal herkennen.\": \"One megapixel means approximately one million pixels. But the number of megapixels alone does not tell you how well a camera will recognize a person or object.\", \"Resolution \/\/ Comparison\": \"Resolution \/\/ Comparison\", \"Meer pixels.\": \"More pixels.\", \"Meer beeldinformatie.\": \"More image information.\", \"Veelgebruikte klasse\": \"Common class\", \"2 MP\": \"2 MP\", \"Full-HD-klasse\": \"Full HD class\", \"Ongeveer twee miljoen pixels per beeld. Kan voldoende zijn wanneer het te bewaken gebied beperkt is en de camera correct is geplaatst.\": \"Approximately two million pixels per image. This may be sufficient when the area to be monitored is limited and the camera is correctly positioned.\", \"Meer beeldinformatie\": \"More image information\", \"4 MP\": \"4 MP\", \"Extra detail\": \"Extra detail\", \"Meer pixels kunnen meer detail leveren binnen dezelfde beeldhoek, mits lens, sensor, licht en instellingen dit ondersteunen.\": \"More pixels can provide more detail within the same field of view, provided the lens, sensor, lighting and settings support it.\", \"4K-klasse\": \"4K class\", \"8 MP\": \"8 MP\", \"Hoge resolutie\": \"High resolution\", \"4K UHD komt ongeveer overeen met 8,3 miljoen beeldpixels. Dat biedt veel informatie, maar vraagt ook meer bandbreedte en opslag.\": \"4K UHD corresponds to approximately 8.3 million image pixels. That provides a lot of information, but also requires more bandwidth and storage.\", \"Hoger is niet automatisch beter\": \"Higher is not automatically better\", \"+\": \"+\", \"Het volledige systeem telt\": \"The entire system matters\", \"Sensorformaat, lichtgevoeligheid, lens, compressie, bitrate en montage be\u00efnvloeden eveneens het uiteindelijke beeld.\": \"Sensor size, light sensitivity, lens, compression, bitrate and mounting also affect the final image.\", \"Belangrijk:\": \"Important:\", \"twee camera's met hetzelfde aantal megapixels kunnen in de praktijk een heel verschillend beeld leveren. Resolutie is \u00e9\u00e9n specificatie, geen volledige beoordeling van de camera.\": \"two cameras with the same number of megapixels can produce very different images in practice. Resolution is one specification, not a complete assessment of the camera.\", \"Pixel density\": \"Pixel density\", \"Het onderwerp moet voldoende pixels krijgen.\": \"The subject must receive enough pixels.\", \"Een camera kan veel pixels hebben, maar wanneer het onderwerp maar een klein stukje van het totale beeld inneemt, blijven er relatief weinig pixels voor dat onderwerp over.\": \"A camera can have many pixels, but when the subject occupies only a small part of the total image, relatively few pixels remain for that subject.\", \"Daarom zijn beeldhoek, afstand tot het onderwerp en lenskeuze minstens zo belangrijk als de resolutie.\": \"That is why field of view, distance to the subject and lens choice are at least as important as resolution.\", \"De lens bepaalt welk deel van de wereld de sensor ziet.\": \"The lens determines which part of the world the sensor sees.\", \"Brandpuntsafstand wordt uitgedrukt in millimeter.\": \"Focal length is expressed in millimetres.\", \"Lens \/\/ Focal length\": \"Lens \/\/ Focal length\", \"bijvoorbeeld 2,8 mm?\": \"2.8 mm mean, for example?\", \"De millimeterwaarde van een lens verwijst naar de\": \"The millimetre value of a lens refers to the\", \"brandpuntsafstand.\": \"focal length.\", \"Bij CCTV geldt als praktisch uitgangspunt: een kortere brandpuntsafstand geeft doorgaans een bredere beeldhoek. Een langere brandpuntsafstand geeft doorgaans een smallere beeldhoek en haalt een kleiner gebied groter in beeld.\": \"For CCTV, a practical rule of thumb is that a shorter focal length generally gives a wider field of view. A longer focal length generally gives a narrower field of view and makes a smaller area appear larger in the image.\", \"Onthoud:\": \"Remember:\", \"laag aantal millimeter = breder beeld. Hoog aantal millimeter = smaller, meer gericht beeld.\": \"lower millimetre value = wider image. Higher millimetre value = narrower, more targeted image.\", \"Field of View \/\/ Beeldhoek\": \"Field of View \/\/ Viewing angle\", \"De lens bepaalt\": \"The lens determines\", \"hoe breed je kijkt.\": \"how wide you see.\", \"Onderstaand schema is bewust vereenvoudigd, maar toont het basisprincipe.\": \"The diagram below is deliberately simplified, but it shows the basic principle.\", \"KORTE LENS \u00b7 BREDE BEELDHOEK\": \"SHORT LENS \u00b7 WIDE FIELD OF VIEW\", \"MID \u00b7 GEMIDDELDE BEELDHOEK\": \"MID \u00b7 MEDIUM FIELD OF VIEW\", \"LANGE LENS \u00b7 SMALLE BEELDHOEK\": \"LONG LENS \u00b7 NARROW FIELD OF VIEW\", \"Praktische vergelijking\": \"Practical comparison\", \"2,8 mm is iets anders\": \"2.8 mm is different\", \"dan 12 mm.\": \"from 12 mm.\", \"De exacte beeldhoek hangt ook af van de sensor en het concrete cameraontwerp. Gebruik deze waarden dus om het principe te begrijpen, niet als universele gradenmeting.\": \"The exact field of view also depends on the sensor and the specific camera design. Use these values to understand the principle, not as a universal degree measurement.\", \"ZEER BREED\": \"VERY WIDE\", \"2.8 mm\": \"2.8 mm\", \"Breed overzicht\": \"Wide overview\", \"Populair wanneer een camera een relatief brede ruimte moet overzien.\": \"Popular when a camera needs to cover a relatively wide area.\", \"BREED \/ MID\": \"WIDE \/ MID\", \"4 mm\": \"4 mm\", \"Iets gerichter\": \"A little more targeted\", \"Minder breed dan 2,8 mm en daardoor kan een onderwerp groter in het beeld verschijnen.\": \"Less wide than 2.8 mm, so a subject can appear larger in the image.\", \"MID \/ TELE\": \"MID \/ TELE\", \"6 mm\": \"6 mm\", \"Gerichte zone\": \"Targeted zone\", \"Interessant wanneer de aandacht sterker op een specifieke zone moet liggen.\": \"Useful when attention needs to be focused more strongly on a specific area.\", \"SMAL\": \"NARROW\", \"12 mm\": \"12 mm\", \"Smaller en gerichter\": \"Narrower and more targeted\", \"Geschikt wanneer een kleiner gebied op grotere afstand belangrijker is dan breed overzicht.\": \"Suitable when a smaller area at a greater distance is more important than a wide overview.\", \"Zelfde locatie \/\/ Andere lens\": \"Same location \/\/ Different lens\", \"versus bruikbaar detail.\": \"versus usable detail.\", \"BREDE BEELDHOEK\": \"WIDE FIELD OF VIEW\", \"Je ziet veel van de omgeving, maar het onderwerp neemt relatief weinig pixels in.\": \"You see a lot of the surroundings, but the subject occupies relatively few pixels.\", \"SMALLERE BEELDHOEK\": \"NARROWER FIELD OF VIEW\", \"Je ziet minder omgeving, maar hetzelfde onderwerp kan aanzienlijk groter in beeld komen.\": \"You see less of the surroundings, but the same subject can appear considerably larger in the image.\", \"Dit is een kernprincipe van CCTV:\": \"This is a core CCTV principle:\", \"meer overzicht en meer detail zijn vaak tegengestelde wensen. De lenskeuze helpt bepalen welk compromis voor de toepassing het meest geschikt is.\": \"more overview and more detail are often opposing goals. Lens choice helps determine which compromise is most suitable for the application.\", \"Lens types\": \"Lens types\", \"Fixed, varifocal\": \"Fixed, varifocal\", \"of gemotoriseerd?\": \"or motorized?\", \"FIX\": \"FIX\", \"Vaste lens\": \"Fixed lens\", \"Een vaste lens heeft \u00e9\u00e9n vaste brandpuntsafstand. Bijvoorbeeld 2,8 mm of 4 mm.\": \"A fixed lens has one fixed focal length. For example, 2.8 mm or 4 mm.\", \"De beeldhoek kan niet optisch worden aangepast door in of uit te zoomen.\": \"The field of view cannot be adjusted optically by zooming in or out.\", \"Eenvoudig\": \"Simple\", \"Vaste beeldhoek\": \"Fixed field of view\", \"Camera correct positioneren\": \"Position the camera correctly\", \"VARI\": \"VARI\", \"Varifocale lens\": \"Varifocal lens\", \"Een varifocale lens heeft een instelbaar bereik. Bijvoorbeeld van een brede naar een smallere beeldhoek.\": \"A varifocal lens has an adjustable range. For example, from a wide to a narrower field of view.\", \"De installateur kan tijdens de installatie de juiste uitsnede kiezen.\": \"The installer can choose the correct framing during installation.\", \"Instelbare beeldhoek\": \"Adjustable field of view\", \"Flexibel bij montage\": \"Flexible during installation\", \"Focus controleren\": \"Check focus\", \"MOTO\": \"MOTO\", \"Gemotoriseerde lens\": \"Motorized lens\", \"Bij een gemotoriseerde varifocale lens wordt de brandpuntsafstand elektronisch ingesteld.\": \"With a motorized varifocal lens, the focal length is adjusted electronically.\", \"Afhankelijk van camera en systeem kan dit via software of recorder worden bediend.\": \"Depending on the camera and system, this can be controlled through software or the recorder.\", \"Remote instelling\": \"Remote adjustment\", \"Gemakkelijk fijnregelen\": \"Easy fine-tuning\", \"Optische verandering\": \"Optical change\", \"Zoom \/\/ Niet hetzelfde\": \"Zoom \/\/ Not the same\", \"Optische zoom\": \"Optical zoom\", \"versus digitale zoom.\": \"versus digital zoom.\", \"OPTICAL\": \"OPTICAL\", \"Bij optische zoom verandert de lens de beeldhoek.\": \"With optical zoom, the lens changes the field of view.\", \"Het onderwerp wordt optisch groter op de sensor weergegeven. Dit is fundamenteel anders dan achteraf een stukje van het beeld vergroten.\": \"The subject is rendered optically larger on the sensor. This is fundamentally different from enlarging part of the image afterwards.\", \"DIGITAL\": \"DIGITAL\", \"Digitale zoom\": \"Digital zoom\", \"Bij digitale zoom wordt een bestaand deel van het digitale beeld vergroot.\": \"With digital zoom, an existing part of the digital image is enlarged.\", \"Er worden hierdoor geen nieuwe details door de lens geregistreerd. Je vergroot vooral de pixels die al aanwezig zijn.\": \"No new details are recorded by the lens as a result. You mainly enlarge the pixels that are already present.\", \"Lenskeuze begint op locatie\": \"Lens selection starts on site\", \"Eerst bepalen wat je wilt zien.\": \"First determine what you want to see.\", \"De correcte lens kies je niet vanachter een prijslijst.\": \"You do not choose the correct lens from behind a price list.\", \"Bepaal eerst de afstand, breedte van de zone, montagehoogte en het gewenste detailniveau.\": \"First determine the distance, width of the area, mounting height and desired level of detail.\", \"Daarna kies je een brandpuntsafstand die bij die situatie past.\": \"Then choose a focal length that suits that situation.\", \"Veelgemaakte fout:\": \"Common mistake:\", \"een zeer brede lens kiezen omdat je dan \u201calles ziet\u201d. Je krijgt inderdaad veel overzicht, maar belangrijke onderwerpen kunnen daardoor te klein in beeld worden.\": \"choosing a very wide lens because then you 'see everything'. You do indeed get a lot of overview, but important subjects can become too small in the image.\", \"Denk als een installateur\": \"Think like an installer\", \"Zo kies je\": \"This is how you choose\", \"een camera en lens.\": \"a camera and lens.\", \"Bepaal het doel\": \"Determine the objective\", \"Overzicht, detectie, herkenning of identificatie?\": \"Overview, detection, recognition or identification?\", \"\u2192\": \"\u2192\", \"Meet de situatie\": \"Measure the situation\", \"Afstand, breedte, montagehoogte en relevante zone.\": \"Distance, width, mounting height and relevant area.\", \"Kies de lens\": \"Choose the lens\", \"Breed wanneer overzicht belangrijk is. Smaller wanneer meer gericht detail nodig is.\": \"Wide when overview is important. Narrower when more targeted detail is needed.\", \"Controleer het echte beeld\": \"Check the actual image\", \"Kijk op locatie of het onderwerp werkelijk voldoende groot en bruikbaar in beeld komt.\": \"Check on site whether the subject actually appears large enough and usable in the image.\", \"Resolutie heeft gevolgen\": \"Resolution has consequences\", \"Meer pixels komen\": \"More pixels come\", \"niet zonder prijs.\": \"at a cost.\", \"Een hogere cameraresolutie kan meer detail leveren, maar genereert ook meer videodata.\": \"A higher camera resolution can provide more detail, but it also generates more video data.\", \"Daardoor kunnen netwerkbandbreedte, recordercapaciteit en opslagbehoefte stijgen.\": \"As a result, network bandwidth, recorder capacity and storage requirements may increase.\", \"Resolutie is dus geen ge\u00efsoleerde camerakeuze. Ze be\u00efnvloedt de volledige CCTV-keten.\": \"Resolution is therefore not an isolated camera choice. It affects the entire CCTV chain.\", \"Herbekijk hoofdstuk 4 \u2014 Opslag\": \"Review Chapter 4 \u2014 Storage\", \"Camera, lens, netwerk en recorder vormen \u00e9\u00e9n systeem.\": \"Camera, lens, network and recorder form one system.\", \"Een wijziging aan \u00e9\u00e9n component kan gevolgen hebben voor de rest.\": \"A change to one component can have consequences for the rest.\", \"CCTV Academy \/\/ Micro-Learning\": \"CCTV Academy \/\/ Micro-Learning\", \"Verwissel de lens.\": \"Change the lens.\", \"En kijk wat er gebeurt.\": \"And see what happens.\", \"2,8 mm. 4 mm. 6 mm. Op papier zijn het slechts millimeters. Op het scherm verandert je volledige beeld.\": \"2.8 mm. 4 mm. 6 mm. On paper, they are only millimetres. On screen, your entire image changes.\", \"Tijdens CCTV Micro-Learning kun je zelf verschillende beeldhoeken en resoluties vergelijken. Richt een camera, verander de zoom en kijk hoeveel detail een onderwerp werkelijk krijgt.\": \"During CCTV Micro-Learning, you can compare different fields of view and resolutions yourself. Aim a camera, change the zoom and see how much detail a subject actually gets.\", \"Ontdek CCTV Micro-Learning \u2192\": \"Discover CCTV Micro-Learning \u2192\", \"\u2713\": \"\u2713\", \"2,8 mm en 4 mm vergelijken\": \"Compare 2.8 mm and 4 mm\", \"Varifocale lens instellen\": \"Adjust varifocal lens\", \"Motorzoom bedienen\": \"Control motorized zoom\", \"Beeldhoek beoordelen\": \"Assess field of view\", \"Resolutie en detail vergelijken\": \"Compare resolution and detail\", \"Check jezelf\": \"Check yourself\", \"Kijk jij al\": \"Are you already looking\", \"door de juiste lens?\": \"through the right lens?\", \"VRAAG 01\": \"QUESTION 01\", \"Wat betekent een hogere cameraresolutie?\": \"What does a higher camera resolution mean?\", \"VRAAG 02\": \"QUESTION 02\", \"Geeft een 2,8 mm-lens doorgaans een bredere of smallere beeldhoek dan een 12 mm-lens?\": \"Does a 2.8 mm lens generally give a wider or narrower field of view than a 12 mm lens?\", \"VRAAG 03\": \"QUESTION 03\", \"Wat is het verschil tussen een vaste en een varifocale lens?\": \"What is the difference between a fixed and a varifocal lens?\", \"VRAAG 04\": \"QUESTION 04\", \"Waarom is digitale zoom niet hetzelfde als optische zoom?\": \"Why is digital zoom not the same as optical zoom?\", \"Samenvatting \/\/ Hoofdstuk 07\": \"Summary \/\/ Chapter 07\", \"Dit neem je mee.\": \"Key takeaways.\", \"Resolutie bepaalt hoeveel digitale beeldinformatie\": \"Resolution determines how much digital image information\", \"beschikbaar kan zijn.\": \"may be available.\", \"De lens bepaalt welk deel van de omgeving op die pixels terechtkomt.\": \"The lens determines which part of the surroundings falls onto those pixels.\", \"Een kortere brandpuntsafstand geeft doorgaans een bredere beeldhoek. Een langere brandpuntsafstand geeft een smaller en meer gericht beeld.\": \"A shorter focal length generally gives a wider field of view. A longer focal length gives a narrower and more targeted image.\", \"Vaste lenzen hebben \u00e9\u00e9n brandpuntsafstand. Varifocale lenzen kunnen worden ingesteld. Gemotoriseerde lenzen kunnen elektronisch worden aangepast.\": \"Fixed lenses have one focal length. Varifocal lenses can be adjusted. Motorized lenses can be adjusted electronically.\", \"Nu we weten welk beeld de camera moet maken, moeten we dat beeld ook betrouwbaar transporteren. In hoofdstuk 8 bekijken we:\": \"Now that we know what image the camera needs to produce, we also need to transport that image reliably. In Chapter 8, we look at:\", \"CCTV-bekabeling.\": \"CCTV cabling.\", \"\u2190 Vorig hoofdstuk\": \"\u2190 Previous chapter\", \"06 \u00b7 Soorten bewakingscamera's\": \"06 \u00b7 Types of surveillance cameras\", \"Opleiding\": \"Course\", \"Volgend hoofdstuk \u2192\": \"Next chapter \u2192\", \"08 \u00b7 CCTV-bekabeling\": \"08 \u00b7 CCTV cabling\", \"\u00a9 2026\": \"\u00a9 2026\", \"Wouter Rooseboom \/ CCTV Academy\": \"Wouter Rooseboom \/ CCTV Academy\", \"\u00b7 Alle rechten voorbehouden.\": \"\u00b7 All rights reserved.\"}\n  };\n\n  const attributeTranslations = {\n    fr: {\"Close-up van de lens van een CCTV-bewakingscamera\": \"Gros plan de l\u2019objectif d\u2019une cam\u00e9ra de surveillance CCTV\", \"Close-up van professionele camera-optiek met lensmarkeringen\": \"Gros plan d\u2019une optique de cam\u00e9ra professionnelle avec marquages d\u2019objectif\", \"Professionele beveiligingscamera gemonteerd aan een muur\": \"Cam\u00e9ra de s\u00e9curit\u00e9 professionnelle mont\u00e9e sur un mur\", \"Professionele surveillancecamera tegen een blauwe lucht\": \"Cam\u00e9ra de surveillance professionnelle sur fond de ciel bleu\"},\n    en: {\"Close-up van de lens van een CCTV-bewakingscamera\": \"Close-up of the lens of a CCTV surveillance camera\", \"Close-up van professionele camera-optiek met lensmarkeringen\": \"Close-up of professional camera optics with lens markings\", \"Professionele beveiligingscamera gemonteerd aan een muur\": \"Professional security camera mounted on a wall\", \"Professionele surveillancecamera tegen een blauwe lucht\": \"Professional surveillance camera against a blue sky\"}\n  };\n\n  function normalizeTranslationKey(value) {\n    return String(value || \"\").replace(\/\\s+\/g, \" \").trim();\n  }\n\n  function cleanLanguage(value) {\n    const lang = normalizeTranslationKey(value).toLowerCase();\n    return [\"nl\", \"fr\", \"en\"].includes(lang) ? lang : null;\n  }\n\n  function translateText(original, lang) {\n    const key = normalizeTranslationKey(original);\n    if (lang === \"nl\") return key;\n    const table = translations[lang];\n    return table && Object.prototype.hasOwnProperty.call(table, key)\n      ? table[key]\n      : key;\n  }\n\n  function translateAttribute(original, lang) {\n    const key = normalizeTranslationKey(original);\n    if (lang === \"nl\") return original;\n    const table = attributeTranslations[lang];\n    return table && Object.prototype.hasOwnProperty.call(table, key)\n      ? table[key]\n      : original;\n  }\n\n  const textRecords = [];\n  const walker = document.createTreeWalker(root, NodeFilter.SHOW_TEXT, {\n    acceptNode(node) {\n      const parent = node.parentElement;\n      if (!parent) return NodeFilter.FILTER_REJECT;\n      if (parent.closest(\"script, style, .cctv-language-bar\")) return NodeFilter.FILTER_REJECT;\n      return normalizeTranslationKey(node.nodeValue)\n        ? 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Meer megapixels betekent meer beeldinformatie. Maar als de verkeerde lens naar de verkeerde zone kijkt, lossen extra pixels het probleem niet op. In dit hoofdstuk leer je hoe [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"elementor_canvas","format":"standard","meta":{"_acf_changed":false,"zakra_page_container_layout":"customizer","zakra_page_sidebar_layout":"customizer","zakra_remove_content_margin":false,"zakra_sidebar":"customizer","zakra_transparent_header":"customizer","zakra_logo":0,"zakra_main_header_style":"default","zakra_menu_item_color":"","zakra_menu_item_hover_color":"","zakra_menu_item_active_color":"","zakra_menu_active_style":"","zakra_page_header":true,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_glsr_average":0,"_glsr_ranking":0,"_glsr_reviews":0,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[121,1],"tags":[],"class_list":["post-50536","post","type-post","status-publish","format-standard","hentry","category-cctv-micro-learning","category-uncategorized"],"acf":[],"nelio_content":{"autoShareEndMode":"never","automationSources":{"useCustomSentences":false,"customSentences":[]},"efiAlt":"","efiUrl":"","followers":[1],"highlights":[],"isAutoShareEnabled":true,"networkImageIds":[],"permalinkQueryArgs":[],"series":[],"suggestedReferences":[]},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Resolutie en lenzen - RAS\/AIS CCTV Academy<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/cctvacademy.be\/nl\/cctv-resolutie-lenzen\/\" \/>\n<meta property=\"og:locale\" content=\"nl_BE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Resolutie en lenzen - RAS\/AIS CCTV Academy\" \/>\n<meta property=\"og:description\" content=\"Taal \u00b7 Langue \u00b7 Language NL FR EN \u2190 Hoofdstuk 6 MODULE 07 \/ 10 Hoofdstuk 8 \u2192 Basis CCTV Opleiding \u00b7 Hoofdstuk 07 Resolutie &amp; lenzen. 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