Product Name: CCTV LensImage Format: 1/3"Mount: 12 * 0.5mm; Focus Length: 16mmAperture: F2.0; Angle of View: 21 AngleDimension: 14 x 13.4mm(H*D)Feature strong construction and reliable performance, with a 21 degree field of view, a 16mm lens will bring you closer to the action than a wide angle lens, to improve the performance of your security surveillance camera.Easy to Install: Replacement lens easily threads in after removal of the previous lens is removedColor: BlackMaterial: metal + glassWeight: 4gPackage Contents:1 x 16mm CCTV LensOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.