Feature:1. Professional Lens: CS mount lens is designed for 6.0mm focal length, 1/2in image size, 63° field of view, professional design provides you with more professional shooting.2. Accurate Focus: The CS mount lens with manual focus and adjustable aperture, and the easy to grip focus ring provides very accurate focus for highly accurate shots.3. High Quality Material: The CCTV camera lens shell is made of high quality aluminum alloy materials with excellent resistance to high temperature, not easy to rust or deform, durable.4. Excellent Performance: The 6mm focal length lens is strictly engineered and produced after extensive test, no lens shading, no dark corners, decent image quality.5. CS Mount Lens: Adopts CS mount design, you can get a bit more clarity and focus, recommended to someone want to get better quality for both still and video for the home security system.Specification:Item Type: CS Mount LensMaterial: Aluminum AlloyUses: surveillance cameras, DIYFocal Length: Approx. 6.0mm/0.24inFormat: 1/2inD/f': 1.2Mount: CSF.0.V (D/H/V): 63°Back Focal Length: Approx. 7.53mm/0.3inIris: Manual, LockZoom: -MTF: 3 Mega PixelM.0.D: Approx. 0.2m/7.9inSize: Approx. 30x34.00mm/1.2x1.3in.Package List:1 xCS Mount LensNote:The optical coating is very important for the imaging of the lens, and it needs to be handled with care to avoid scratching the coating.