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Lenses

Lenses The lens is an optical device for focusing a desired scene onto the imaging device in a CCTV camera. Selecting the most appropriate lens can be a complex task because lenses have a number of characteristics that must be considered to match a particular...

Cameras

Cameras The starting point for any CCTV system must be the camera. The camera creates the picture that will be transmitted to the control position. Apart from special designs CCTV cameras are not fitted with a lens. The lens must be provided separately and screwed...