The Tokina TM55Z1038GAIDC 1/2" Motorized Zoom Lens (10-550mm) is a 55x zoom CCTV lens with a DC auto iris and focus that help achieve the correct exposure. With an iris range of f/3.8 to 360, the lens is suitable for surveillance in low-light as well as bright light conditions.
The Auto Iris mechanism ensures that the camera captures detailed images even in areas with varying light intensity.
Designed for C-mount day/night CCTV cameras with 1/2" sensors
55x zoom translates into a focal length of 10-550mm