Silver 50mm f1.4 CCTV TV Lens C mount for GF3 GF2 GF1 G3 GH1 GH2 EP1 EP2 EPL1 EPL2 This CCTV Lens features alloy casing with quality lens. It is ideal for use in bars, shops, parking lots, houses and warehouse, etc. It gives you the widest field of view image avaialble with a C mount lens. This CCTV Camera Lens provides ultra clear vision for your camera. Incorporates advanced optical elements to ensure all-around sharpness and efficient light conductivity. Its iris can be manually adjusted according to available light levels.