Olympus M.ZUIKO Digital ED 17mm f/1.2 Pro lens captures the most striking full-portrait images featuring the amazing feathered bokeh thanks to it's sophisticated ensemble of advanced elements along with its ED-DSA lens, producing softer backgrounds and remarkable clarity to photos. The robust construction consists of an inner focusing system that provides quick, accurate autofocus at a high speed of just 0.12 seconds. Olympus has carefully designed the M.ZUIKO Digital ED 17mm f/1.2 Pro lens to perform in all weather conditions as it's dustproof, splashproof and freezeproof resistant.