CCTV Glossary 101

CCTV GlossaryIn order to choose the best CCTV Security System and CCTV Cameras you need to understand some of the basic terminology. Below is a glossary of CCTV terms to help you choose your Surveillance system and CCTV Cameras and CCTV Lenses. ApertureAperture is the area of the camera lens that gathers light. The Iris of the cctv lens controls the size of aperture.Auto IrisAuto Iris Lenses adjust for changing light conditions in a camera view. If the sun shines on a camera with an auto iris lens, the lens will adjust the amount of light so the picture remains clear.CCDCharge Coupled Device - a light sensitive imaging device for almost all cameras. Typical sizes for CCTV cameras - 1/2", 1/3", 1/4". C MountType of screw-on mounting for CCTV Camera Lenses. C Mount lenses need an adapter ring when used with CS Mount camera (see CS Mount). gepressiongepression Techniques are used in Digital CCTV to reduce the file sizes of recorded video images. Typical gepression formats used for video are: MJPEG, MPEG-4