Color Cctv
Why do (most) CCTV images have that distinct blue-grey color tone?
Why can't they be full color or simply black and white?
You're probably referring to indoor color cameras. If that is the case, the answer is simple. Cheap cameras. Better personal video camcorders have a circuit called auto white balance (AWB) which compensates for different lighting sources. Most indoor lights are flourescent (bluish) and most CCTV cameras don't bother compensating for this. Take them outdoors into the sun, and they're fine. You and I don't notice this difference in color because of this miracle we call a brain that compensates for lots of things. The image on your retina being upside down, for one.
CCTV Digital Clock Color Camera DVR Recorder P125 From ecbuys
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