Camera Technology
ColorMAX: How Full-Color Night Vision Actually Works
Dual-light sensor technology keeps footage in color after dark instead of switching to black-and-white IR. Here's the mechanism, and when it beats standard infrared.
Dual-light sensor technology keeps footage in color after dark instead of switching to black-and-white IR. Here's the mechanism, and when it beats standard infrared.
Standard IR night vision works by flooding a scene with infrared light the camera sensor can see but the human eye can't, producing the familiar black-and-white night image. It's reliable, but it throws away color — a detail that matters when a report needs to describe a vehicle or a jacket, not just a shape.
ColorMAX-style cameras pair a larger, more light-sensitive image sensor with a warm white-light illuminator alongside the usual IR array. In low light, the camera leans on the larger sensor and a soft burst of visible light instead of switching straight to monochrome IR, which lets it hold onto color information well past dusk.
Color-at-night matters most in scenarios where identifying detail is the point of the footage: parking lots and driveways where vehicle color is a key identifier, entryways where clothing color helps distinguish between similar-height individuals, and any site where a written incident report benefits from more than a grayscale silhouette.
Color night vision needs some ambient light and generally works best within its rated distance — a long, pitch-dark perimeter with no ambient light at all is still often better served by a longer-throw pure IR camera or a thermal camera, since IR range typically outperforms color-mode range in true darkness.
Cortex ColorMAX cameras are covered under Cameras › ColorMAX.