A digital video color security system is a video camera based protection and monitoring component system. Although a bear-bones system may only require two separate devices to operate, it normally consists of three or more. At a minimum a color security system requires at least one camera and a Digital Video Recorder or DVR. However, if you want to be able to watch what your system is recording, you will also want to use the third component, a color monitor.
Posts Tagged ‘ Charged Coupled Devices’
Color Security System
Friday, February 4th, 2011Autofocus CCTV Camera
Tuesday, July 27th, 2010
An autofocus CCTV or Closed Circuit Television camera is an ideal choice for surveillance and monitoring when the field of view encompasses large differences in distances of the target or the target is moving and often changes its distance to the camera. Most autofocus CCTV camera lenses are zoom lenses; a variation of this type of lens is a vari-focal lens which can vary its focal length by manual adjustment.
Let’s take a look at some of the technology behind autofocus CCTV cameras to see how they work and to understand why an autofocus CCTV camera is unique.









