Today, security camera manufacturers can provide HD security cameras come with motorized zoom lenses. Compared with the conventional manual vari-focal lens, a camera has the motorized zoom lens can automatically adjust the focal length of camera to get clear auto focused image. This makes security camera installation become much quicker and easier. Additionally, the motorized zoom lens can be controlled through Zoom/Focus buttons on web interface, smartphone App, or even the Joystick PTZ controller (RS485). What is the advantage of motorized zoom lens? If the video surveillance projects require installing multiple security cameras, choosing the cameras equipped with motorized zoom lens can [...]