CCTV cameras are made in a variety of types and for a wide range of uses. Complicating the selection of cameras more are the variety of technologies within each category type.
In order to understand the range of cameras available to the general market, and useful for ordinary consumer applications, this article is divided into three sections: camera types, lenses, and technology types.
If you are looking for a security and monitoring system that can be viewed away from the site where it is being used you should consider using a CCTV camera remotely monitored. These systems are useful for monitoring the home from work, the business while at home, or for any monitoring application where the user is not in the same location as the camera.
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.
Innovative technological improvements have made it easier than ever to make your CCTV camera remotely monitored. There are basically two types of Closed Circuit Television (CCTV) cameras, analog and digital; and both can be installed for remote monitoring.