At 2012 Camera Grand Prix, the best lens this year is Canon EF 8-15mm f/4L Fisheye USM Ultra-Wide Zoom Lens.
Canon EF8-15mm F4L Fisheye USM, the fish-eye zoom lens when mounted fish-eye and the diagonal fish-eye all around, to the APS-C / H camera can be taken with a fish-eye diagonal when fitted to the 35 Mirifuru size camera. Coating in the adoption of “SWC” special high image quality by installing high-precision glass molded aspherical lens and UD lens, to effectively suppress flare and ghosting In addition, high-contrast image quality. In the foreground and the last lens surface is subjected to high fluorine water-repellent coating-oil repellency.
via: Google translate