I was recently given a Sigma AF-k lens and told it was Nikon compatible. I am trying to get a better handle of what the AF-k stands for. I have both a Nikon F4s and a D5100 that I use and not ...
I have a Sigma 24mm ultra-wide lens; does anyone know of an adaptor that will make this lens fit my Canon 1V camera?
Does anybody know the throat diameter of Argus SLR bayonet mount? I know its flange focal distance (register) is 44.45mm, but I don't know the diameter of the mount. Specifically, I'm interested to ...