The Pelco 13ZD5.5X30P Motorized Zoom Lens can be used for variety of applications with a 1/3" CCD CS mount camera. With a focal length range between 5.5 and 165mm, the single lens can be used from wide to telephoto (30x zoom). This is an auto iris lens and thus comes with a default spot filter. The focusing & zooming capacity are motor driven with preset capabilities. With aperture ranging from F1.8 to 360, the lens can perform in almost any kind of lighting condition.