Lens Mount Type : Sony E-mount lenses Distance Encoder : Yes Minimum Focus Distance : 9.8" (0.25m) Lens Groups-Elements : 8 groups, 9 elements (4 aspheric surfaces) Filter Diameter : 40.5mm Lens Type : E-mount 16-50mm F3.5-5.6 Lens Weight : 4.1 oz (116g) Internal Motor : Yes (Stepping motor) Dimensions (Max. Diameter x Length) : 2-5/8" x 1-3/16 (66.7 x 30.2mm) Aperture (Max.) : f/3.5-5.6 Aperture (Min.) : f/22-36 Steady Shot Mode:Active : Lens-based Image Stabilization (OSS) Aperture : f/3.5-5.6 Maximum Magnification : 0.215x Focal Length (35mm equivalent) : 24mm-75mm (35mm equivalent) Aspheric Elements : (4 aspheric surfaces) Aperture Blade : 7 blades (Circular aperture) Exterior Finish : Black Angle of View : 83o - 32o