The CS-Mount Lens with a flange focal distance of 12.526 mm is designed to attach CS mount CCD/CMOS camera. Our high resolution megapixel CS-mount lenses have Fixed Focal and Vari-Focal length with Manual Iris, DC Auto Iris, P-Iris types, which are widely used in CCTV camera,Network camera, IP camera for video surveillance applications. Using Muti-Coating technology, the lens with IR corrected is perfect for Day/Night security camera.