1、Clear Image Quality: CS mount CCTV Lens, 2.1mm focal length, 3 megapixels. No lens shading, no dark corners, decent image quality. 2、Wide Angle Lens: This CCTV camera lens can provide your camera with a super clear field of view with high image clarity, good color reproduction. 3、Premium Material: Security camera lens is made of high quality aluminum alloy material, not easy to break, to ensure a long service life. 4、Wide Application: Camera lenses are ideal for cameras in homes, bars, shops, parking lots, houses, warehouses, etc. 5、Easy Installation: The lens is easy to install and remove without affecting the installation and use of other accessories. Once installed, your device will be as good as ever. Item Type: CS Mount Lens Material: Aluminum alloy Focal Length: 2.1mm Image Size (Format): 1/2.7in Relative Aperture (D/fˊ): 1: 1.6 Interface (Mount): CS Field Of View (F.O.V) (D/H/V): 1/2.7in 162.5°x142.4°x80° Back Focal Length (BFL): Approx. 12.53mm//0.49in Aperture (iris): Fixed Resolution (MTF): 3Mega Pixel Close Up Distance (M.O.D): Approx. 0.2m/0.66ft Dimension: Approx. 28.0x10.50mm/1.1x0.41inOperating Temperature: -20℃-+60℃ 1 x CCTV Lens