Canon 8-15 F4 L USM Fisheye Review

The Canon EF 8-15 F4 L fisheye lens is one highly anticipated piece of glass !  First announced back in Autumn 2010 this is not a replacement of any existing lens, but an all new design with unique potential.  Canon originally started with the 15mm f2.8 fisheye which was designed before the digital days.  This lens provided a full 180 degree field of view on a full frame camera but users of 1.6 or 1.3 crop cameras were left with slightly less fishy look to their images.  On the Nikon side of things, Nikkor released a beautiful 10.5mm fisheye for