I'm looking for a fish eye lens to use with my 5d. The alternatives I can see are canon 8-15L f/4 and canon 15 f/2.8. Canon 15mm is a prime and it has a faster aperture, while 8-15 is an L lens. ...
Recently I found people shaving the lens hood off their Nikkor 10.5mm Fisheye which is a DX lens to use it on a full-frame Nikon DSLR. The result is a wider field-of-view but not even completely ...