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Pan, Tilts and Domes

CCTV cameras can be fixed or have pan, tilt, and zoom (PTZ) capabilities. Fixed cameras are mounted on a fixed bracket and cannot move in response to operator commands. PTZ cameras are motor driven and can pan left or right, tilt up or down, and use the lens to zoom in and out. A camera housing protects the camera and lens from vandalism and the environment. It also can enhance the appearance of the camera installation and conceal the equipment from the casual observer. All outdoor cameras require a housing of some type. Protection from cold, heat, dust, dirt, or other elements is needed to ensure optimal performance and extend the life of the camera. Broadly categorized into internal and external usage, pan/tilts are normally selected on the basis of the maximum load they can take.