HD 5MP 1.44mm CCTV Wide Angle Lens Fisheye View 1/2.5'' F2.0 IR Board IP Specifications: Color: Black MP: 5MP M.O.D: 0.2m Image Format: 1/2.5'' Viewing Angle: 185° Mount Thread: M12x0.5 Aperture D/f': F2.0 Operating Temp: -20 ~ 80℃ Lens Construction: 6 Groups Focal Length: 1.44mm Back Focal Length (BFL): 5.45mm Size: (Dia.)x(H) 16*18.44mm / 0.63''x0.73'' (appr.) Features: ● Standard M12x0.5 thread ● With an aperture of F2.0 ● Anti ultraviolet treatment ● Image format for both 1/3" and 1/4" CCD chipsets ● 1.44mm 180° wide angle board lens for IR CCTV cameras Operation: Iris - Fix Zoom - Fix Focus - Manual Package Included: 1X 5MP 1.44mm Camera Lens Notice: Please allow 1-3cm error due to manual measurement and make sure you do not mind before ordering. Please understand that colors may exist chromatic aberration as the different placement of pictures.