This is a high quality made-in-Japan compact prime lens with 50mm focal length and f/1.4 aperture. - 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 available with a C mount lens. - This CCTV Camera Lens provides ultra clear vision for your camera. - Any in-camera crops would remove all vignetting for this lens. - This Lens is a 50mm lens incorporates advanced optical elements to ensure all-around sharpness and efficient light conductivity. - Solid metal mount lens adapter allows C Mount Movie Lens to be used on micro C-NEX camera body. - Suitable for: - with C-NEX adapter (included). - Can mount on - Camera: Sony E NEX-C3 NEX-5 NEX-5C NEX-5N NEX-7.etc - Camcorder: Sony NEX-VG10E NEX-VG20E NEX-VG20EH etc