Overview: This CCTV video lens with beautiful appearance, good hand feeling and excellent work performance. It's a good replacement for your old CCTV camera lens, suitable for portrait, landscape, video clips, macro, sketches and other shooting. It is your cost-effective choice. Specifications: Focal-Length: 2.8~12mm Format(Inch): 1/2.5 #34; Aperture(D/f'): F1:1.4 Mount Type: M12 x 0.5 Horizontal Field: 93~28.7 Zoom: Manual Focus: Manual Iris: Fixed M.O.D: 0.2m Back Focal-Length: 6.5-13.5mm No IR-Cut Filter. Letter IR on the lens means infrared ray. Operating Temperature: -20~ #43;80degree centigrade Item Size: approx. 44 * 28mm / (H*D) Item Weight: 28g Package Information: Package Size: Approx. 9 * 6.5 * 3cm / 3.5 * 2.5 * 1.2in Package Weight: Approx. 30g / 1oz Package List: 1 * M12 2.8-12mm lens