Key Features X-Mount Lens/APS-C Format 76-350mm (35mm Equivalent) Aperture Range: f/4.5 to f/22 One Aspherical Element One Extra-Low Dispersion Element Super EBC Coating Stepping Autofocus Motor Optical Image Stabilization Rounded 7-Blade Diaphragm Focal Length 50 to 230mm (35mm Equivalent Focal Length: 76 to 350mm) Maximum Aperture f/4.5 to 6.7 Minimum Aperture f/22 Lens Mount FUJIFILM X Format Compatibility APS-C Angle of View 31.7° to 7.1° Minimum Focus Distance 3.61 #39; / 1.1 m Maximum Magnification 0.2x Optical Design 13 Elements in 10 Groups Diaphragm Blades 7, Rounded Focus Type Autofocus Image Stabilization Yes Filter Size 58 mm (Front) Dimensions (ø x L) 2.74 x 4.37 #34; / 69.5 x 111 mm