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Extra Features of CCTV Cameras
Video Surveillance Systems Buyers' Guide
There are features of CCTV cameras that give you greater control over what you can see, when you can see it and in how much detail.
Table of Contents
The Camera Lens
It is possible to buy your camera lenses separate from the camera bodies but they must complement each other. In other words, if you're using a 1/3in lens then you should opt for a camera body that also has a 1/3in format.
If your camera is outside, and has to cope with different lighting conditions throughout the day and night, choose a lens with an automatic iris. Your picture quality will be much better because the iris will adjust to the level of light.
A motorised zoom lens has distinct advantages over a fixed focal length lens but the best option, although costly, is to have a PTZ (pan, tilt and zoom) camera. By using a joystick, you can turn the camera up, down and from side to side, zooming in and out as necessary.
Cameras placed outdoors need housings to protect them from the elements and vandalism. Some can even have heaters and cooling systems to help ensure the camera works as effectively as possible in all conditions.
An indoor camera can come with a vandal resistant and dust proof housing or a tinted plastic case that disguises the position of the lens.
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