CCTV Zoom Cameras have the ability to view a Person or Vehicle Number Plate at quite a distance (0ver 70m away). They have 22x or 23x Optical Zoom as well as 10-12x digital zoom.
These Security cameras have motorized Zoom Lens which can be controlled from the switch on the rear or via a remote controller.
Zoom refers to an adjustable field of view. Cameras may have manual zoom with a varifocal lens or remote zoom with a powered zoom lens. Some DVR video recorders also have the ability to change the monitoring field of view and zoom in or out on selected areas of a recorded video image.