Canon?s 2512A002 EF 35mm f/1.4L USM Wide Angle Lens has a brilliant maximum aperture of f/1.4, the largest in its class. An advanced floating mechanism and a ground and polished aspherical lens element achieve extremely sharp, distortion free pictures from infinity to its closest shooting distance of 1 foot. With ring USM-powered rear focus, autofocus is stealthy and swift. A wide focusing ring provides comfortable manual focus, and the filter ri...