Focal Length f = 3.8 mm Aperture Ratio 1 : F1.4 ~ 360 Board Mount, 1/3 inch Format Camera Mount Bayonet M14 Focal Length f = 3.8 mm Aperture Ratio 1 : F1.4 ~ 360 Board Mount, 1/3 inch Format Camera Mount Screw M12 Focal Length f = 2.0 mm Aperture Ratio 1 : F1.6 ~ 360 Board Mount, 1/3 inch Format Camera Mount Bayonet M14 Focal Length f = 2.8 ~ 10 mm Aperture Ratio 1 : F1.4 ~ 360 (Infra Red) Board Mount, 1/3 inch Format Camera Mount Bayonet M14 Focal Length f = 2.8 ~ 10 mm Aperture Ratio 1 : F1.4 ~ 360 (Infra Red) Board Mount, 1/3 inch Format Camera Mount Screw M12 Focal Length f = 3.6 ~ 9 mm Aperture Ratio 1 : F1.4 ~ 360 Board Mount, 1/3 inch Format Camera Mount Bayonet M14 Focal Length f = 3.6 ~ 9 mm Aperture Ratio 1 : F1.4 ~ 360 Board Mount, 1/3 inch Format Camera Mount Screw M12 Focal Length f = 2.6 ~ 6 mm Aperture Ratio 1 : F1.4 ~ 360 Board Mount, 1/3 inch Format Camera Mount Bayonet ?14 Focal Length f = 2.6 ~ 6 mm Aperture Ratio 1 : F1.4 ~ 360 Board Mount, 1/3 inch Format Camera Mount Screw M12 Focal Length f = 4.0 ~ 9 mm Aperture Ratio 1 : F1.5 ~ 360 Board Mount, 1/3 inch Format Camera Mount Bayonet ?14 Focal Length f =4.0 ~ 9 mm Aperture Ratio 1 : F1.5 ~ 360 Board Mount, 1/3 inch Format Camera Mount Screw M12 Focal Length f = 9.0 ~ 22.0 mm Aperture Ratio 1 : F1.8 ~ 360 Board Mount, 1/3 inch Format Camera Mount Bayonet ?14 Focal Length f = 9.0 ~ 22.0 mm Aperture Ratio 1 : F1.8 ~ 360 Board Mount, 1/3 inch Format Camera