Most confuse these two and believe that a night vision camera uses infrared to film images. A Night Vision Camera utilizes the heat emitted from an object to aid in capturing images and make them visible. An Infrared Security Camera on the other hand, is equipped with a small light that is emitted to focus on a specific object in order to record an image.
An infrared security camera uses infrared LED lighting positioned around the outside of the camera lens to capture information. Infrared can also travel through fog, dust and smoke. But, don’t confuse them as “low light or starlight” cameras which have a sensitive chip that lets the camera capture a picture in low light conditions. These type cameras do not use infrared technology.
When there is available light, infrared cameras will give you a color picture. When it gets darker, the camera automatically adjusts and switches to infrared mode in which the camera records in black and white.
Even though most security cameras have the ability to produce relatively good pictures in dim or lower light, it is an impossibility for them in total darkness.
Night Vision uses Thermal Technology and Image Enhancement to achieve an image in total darkness. Night Vision is the ability to see in low light conditions. Whether by biological or technological means, night vision is made possible by a combination of two approaches: sufficient spectral range, and sufficient intensity range.
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