I am looking for a wide-angle (manual focus) lens for my Mamiya AFD. I use a Kodak Pro Back, so there is crop, and most choices will end up being moderate wide-angles or normal focus lengths. I looked at
- 55 mm f/2.8; Seems like a solid performer, sharp, but a tad a bit tight FOV.
- 45 mm f/2.8; Seems somewhere between the 55 mm and the 45 mm, not just in FOV, but also performance.
- 35 mm f/3.5; I read a lot about limited corner/edge performance. Now...how much is that still an issue on a crop sensor and an old back with limited resolution? I would like the focal length and they are reasonably priced.
24mm Fisheye...read only good things. Priced OK in the US, over here in Europe very pricy.
What about the Pentax 67 lenses with an adapter? Anything I should consider?
I know much has been said about these lenses, but mostly for full-frame coverage, and I know that bad reputations spread quickly on the net ("the 35mm is bad").
Perhaps anyone here has real-world experience with the lenses on crop sensors? I spend a lot of time in the winter in Norway, so open-lens performance is important.
I am mostly using the 110mm f/2.8 right now. Anything as sharp would be fine. Personal reference in moderate wide-angle performance for me is the Zeiss Contax Biogon G 21mm on film, ZM 25mm on the M8 and Leica X1 in digital.
Thanks in advance,