With the Olympus M.Zuiko Digital ED 17mm f/1.2 PRO Lens you can shoot wide open at f1.2 and easily capture sharp subjects, smooth feathered bokeh, and natural three dimensional effects for incredible depth. The advanced ED-DSA element is truly unique, reducing the lens' size while improving performance, and the lightweight focusing mechanism is quiet, fast, and accurate. With splashproof dustproof metal construction and superior low-light performance, this versatile pro prime will be one of your go-to lenses for every assignment and adventure.