Computar 1/3-inch 2.8-12mm f1.3 auto iris, Day/Night IR

The TG4Z2813FCS-IR from GANZ is a Computar Varifocal IR (infrared) DC auto iris lens, designed for use with Day/Night cameras. They eliminate focus shift in night mode, especially in the presence of IR lighting. All lenses are CS-Mount, comprised of all glass optics, come with locking set screws and a durable metal barrel and mount, and are covered by a three year warranty.