Bosch - 1.80 mm to 3 mm - f/8 - f/1.8 - Varifocal Lens for CS MountThis Bosch varifocal lens for CS mount is engineered to keep surveillance cameras performing at their best, even as they push toward higher resolutions and faster processing. With an ultra compact, robust design, this lens combines an exceptionally wide 1. 8 mm to 3 mm focal range with a versatile aperture, delivering sharp, high contrast images across a variety of scenes. Whether youre monitoring a storefront, parking lot, or interior space, this