ANYKA USB WEB CAMERA WINDOWS 7

Varifocal Dome Camera

dome camera


A type of camera with dome cover. They may have fixed or vari-focal lenses. Some come with infrared lighting and some are designed to be tamper-proof (also referred to as vandal-resistant). Armor dome cameras are designed to resist vandalism by using a hi-impact reinforced polycarbonate dome casing.

varifocal


A low cost version of a zoom lens designed to meet installers needs for versatility. This lens does not have the ability to track from wide to telephoto.


This refers to a type of lens that has the facility to change the focal length. This allows adjustment of the magnification and field of view of the camera.


A varifocal lens is a camera lens with variable focal length in which focus changes as focal length (and magnification) changes, as compared to parfocal ("true") zoom lens, which remains in focus as the lens zooms (focal length and magnification change).