Mount Type : E MountImage Circle : 28.5 mm diameter (supports 24.84 x 13.97 mm sensors)Focal Length : 18 - 55 mmAperture : T 2.9 to T 22 and closedIris Blades : 9Gear Mod : 0.8Focus Rotation : 200Minimum Focus Distance : Standard: 2.8/ 0.85m, Macro: 1.25/ 0.38 mObject Size at Minimum Focus : Distance (16 x 9) 18mm: 36.38 20.47/924.00 x 520.00mm,55mm: 7.6 x 4.3(193 x 109 mm)Angle of View (16:9) : 18 mm: 69.2x42.4,55 mm: 25.5x14.5Macro : AvailableFront Diameter : Filter Thread: 82 mmOutside diameter : 85 mm