Minimum focusing distance of 1.15 feet (0.35 meter) and a maximum magnification of 0.21x Stepping motor (STM) delivers near silent, continuous move Servo AF for movies and smooth AF for stills Stepping motor (STM) delivers near silent, continuous move Servo AF for movies and smooth AF for stills 80 millimeter effective focal length on APS C cameras, 50 millimeter on full frame cameras. Lens construction: 6 elements in 5 groups This Bundle from Teds Electronics Includes; Canon EF 50mm f/1.8 STM Lens, UV Filter, Lens Pen, Dust Blower, LensCap Holder, Lens Case and Cleaning Kit