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WebInside the security camera, there is something called an IR cut filter, and this filter blocks infrared light waves from entering through the lens during the day. During the day, IR filters are necessary for the camera to produce realistic colors, but at night the IR filter needs to be moved out of the way of the lens for the camera to see its ... WebInfrared waves, or infrared light, are part of the electromagnetic spectrum. People encounter Infrared waves every day; the human eye cannot see it, but humans can detect it as heat. … greenvale community hall
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