What Is A Varifocal Security Camera?
One of the best values in security cameras are those equipped with a varifocal lens. These lenses come for a variety of camera styles with the two most popular choices being very-focal lenses on dome cameras and box cameras.
Varifocal Lenses Are Great For Businesses That Plan to Expand
These lenses are perfect in many situations. The first situation is a business that plans to expand to a new location someday. When a camera is equipped with a varifocal lens, then the business owner can easily move the camera to a new location. Adjusting the camera at the new location can easily be accomplished just by adjusting the focal length of the lens.
Security cameras utilize two basic lens types based on focusing parameters. These are called fixed lens cameras and varifocal cameras. Fixed lenses have a “fixed” or constant, unchangeable focal length while varifocal lenses have a focal length that can vary. A more familiar term used for electric powered 