Built-in Optical SteadyShot image stabilization and 7-blade circular aperture for beautiful defocus effects Minimum Focus Distance : 1.28 ft (0.39 m), Maximum Magnification ratio : 0.16x, Focal-Length : 50 mm and filter diameter (mm) is 49 mm Large F1.8 maximum aperture enables beautiful defocusing effects. Angle of View (APS-C) : 32° "Compact, lightweight mid-range telephoto prime with elegant aluminum alloy exterior.Diaphragm Blades 7, Rounded" In-the-box: Hood (ALC-SH116), Lens front cap, Lens rear cap