Infrared security cameras typically feature infrared illuminators placed around the outer side of the lens of the camera. These illuminators enable the camera to provide a good-quality image even in poor visibility conditions. People often confuse infrared cameras with night-vision cameras because both devices can provide high-quality images even at night. However, both cameras use different wavelengths of light for producing their images. Infrared cameras typically use an invisible light for highlighting the object. But, when you view this image on a monitor, you’ll be able to see the object as if a spotlight were highlighting it. In contrast, night-vision cameras use a green colour for making objects visible.
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January 2019
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