Focal Length: 2.76 mm Sensor Area: 1/2.9" Mount Type: M12*P0.5 Relative Aperture: 1.9 Iris Operation: Fixed Iris Angle of view (V*H*D): 70° *126° *158° Back Focal Length: 5.08mm TTL: 20.5mm Dimension: 14*L16.27mm Lens Structure: 6G