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Guide To CCTV Security Cameras


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There are two types of CCTV cameras. You can choose from CMOS or CCD which are differentiated by the image sensor. Cameras that are CMOS based are cheaper of the two but do not produce the same quality of image in terms of sharpness and clarity as the CCD camera delivers.

Depending on your needs you can find the camera that is right for you. If you need to identify faces, you'll need a vastly different security camera from a need to simply monitor crowd traffic patterns.

If the area you want to monitor is outdoors, there are requirements such as durability concerns that need to be address unlike an indoor security camera. There are factors such as weather and vandals that will test the durability of your camera.

Other things that will directly impact your buying decision include your budget, for the entire system as well as per individual security camera, as well as the size of your entire security system and the number of cameras you required. The number of cameras you require depends on the number of areas you wish to monitor.

One of most important consideration is lighting of the area you want to monitor. If you plan on installing an outdoor security camera to protect your detached car garage from thieves but buy a high quality day camera that isn't designed for low light environments, your video feed will be different shades of black frames.

For nigh scenes, black and white cameras are recommended since they can deliver sharper images in low light settings. There are also day/night outdoor cameras with lighting sensors that adjust the camera for optimal recording at different lighting levels.

For true low light recording there are dedicated nigh vision cameras available. Look for lower LUX rating when the environment the camera will be used in will have less light. A lower LUX rating means less light is required for the camera to capture an image. A camera with a rating of 0 means it works in complete darkness.

A cameras resolution measures the sharpness of the image the camera will capture; higher resolution, higher quality image. Entry level cameras start at resolutions of 330 lines upward to 400 lines in higher quality cameras.

When it comes to recording the video feed from the camera, most people will do with the DVR, which stands for digital video recorder. In more advanced monitoring systems there are controls for panning and zooming the camera in real-time to get closeups or follow a particular object.
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