Product Name: CCTV Lens Image Format: 1/3 inch Mount: 12 x 0.5mm; Focus Length: 16mm Aperture: F2.0; Angle of View: 21 Angle Dimension: 14 x 13.4mm(H x 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 removed Color: Black Material: metal + glass Weight: 16g The pixel count is only 2 million Package Contents: 4 x 16mm CCTV Lens Only the above package content, other products are not included. Note: Light reflection 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.