09-05-2016, 06:11 AM
(This post was last modified: 09-05-2016, 02:46 PM by Brightcolours.)
The is more than 1 other manufacturers for such focal length reducers.
It would be wise to pick one with a more flexible mount.
Canon EOS mount would be a candidate, as to it M42 can be adapted with cheap adapter rings, and also Nikon F-mount, Leica R-mount, Olympus OM mount, Pentax PK-mount, Yashica/Zeiss C/Y mount. And Canon EOS mount itself of course.
Canon FD has a nice short flange distance, but it is harder to find adapters to FD mount.
It would be wise to pick one with a more flexible mount.
Canon EOS mount would be a candidate, as to it M42 can be adapted with cheap adapter rings, and also Nikon F-mount, Leica R-mount, Olympus OM mount, Pentax PK-mount, Yashica/Zeiss C/Y mount. And Canon EOS mount itself of course.
Canon FD has a nice short flange distance, but it is harder to find adapters to FD mount.