The varifocal lens on security cameras allows users to manually or automatically adjust the focal length to change the camera's angle of view. This makes it possible to optimize the shot for different usage scenarios, from wide-angle overview to close-ups. Cameras with varifocal lenses are suitable for variable monitoring conditions or when the monitoring area needs to be changed regularly. This type of lens is ideal for areas where different levels of detail need to be monitored, such as parking lots, public places or commercial areas.