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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Unlike other cameras, infrared cameras capture the heat that objects generate rather than the objects themselves. This is why these cameras are nothing more than heat sensors. This capability enables them to register different temperature levels and convert them into images. Some infrared cameras use chemical infrared films for producing images. However, a large number of infrared cameras nowadays tend to rely on digital imaging.
Unlike other cameras, infrared cameras capture the heat that objects generate rather than the objects themselves. This is why these cameras are nothing more than heat sensors. This capability enables them to register different temperature levels and convert them into images. Some infrared cameras use chemical infrared films for producing images. However, a large number of infrared cameras nowadays tend to rely on digital imaging.
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January 2019
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