Useful CCTV definitions (Helpful for understanding Spec sheets)
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CCD: Charge-coupled device. A device commonly used in CCTV cameras for imaging.
CCTV: Closed-circuit television. A television system intended for a limited number of people.
C-mount: The original standard for mounting lenses onto cameras. Can also, with the aid of an adapter, be used on newer CS-mount cameras.
Coaxial cable: The most widely used cable for video transmission. Consists of a shielded copper conductor. Also called Coax.
Composite video signal: A signal in which a standard (i.e. NTSC) is used to combine information such as color and light.
CS-mount: A newer standard for mounting lenses. Able to make use of smaller and cheaper lenses.