World’s fastest AF at 0.02 sec. W/ real-time AF & Object tracking Wide 425-phase/425-contrast detection AF points over 84% of sensor 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
