Is there a big market for fish eye lenses? I'm just curious, coz both Tamron & Samyang/Rokinon have announced these fish eye lenses, but I never seem to spot a photographer with a fish eye lens and most camera stores hardly ever have them in stock... I'm sure there are photographers who use them but what kind of a demand does it have?
I must confess to shooting at 10mm with a crop camera, but that's not a fisheye.
Far more often, when I am looking at a scene when an wide angle lens is not wide enough, I take multiple images and stitch them together when I get home... the result is far more pleasing that the distortion of an ultrawide lens...
For the scene below, I shot it with the 10-20 lens at 10mm, then swapped in the 17-55 lens and took about ten overlapping pictures. The 10mm shot was garbage with a highly distorted skyline, the multiple 17mm shots were stitched together in Autopano and the result is what you see below.