Originally posted by Lowell Goudge It is not that I am a cannon fan, but it is a simple fact, it has the shortest regestry distance of any DSLR and the mount throat is huge, 54mm from what I can see, but still not enough for the lenses you want to. Mount but with a 44mm regestry distance it is short.
The other option is to look at an APS-C mirror less camera with a short regestry, or a micro 4/3 camera. Even pentax Q as they make mounts for almost any lens
Thanks for the info. But I thought short registry distance was a good thing? If you can fit enough of the rear elements inside the body. I will have to check the exact measurements though. How much larger does the mount throat have to be compared to the original mount in the lens? Another option would be to (let someone with the skills) take out the original mount which would make the read diameter a little smaller, then work a new mount around that so that the distance matches? "54 mm internal" is indeed the diameter of the Canon mount. The Arri bayonet mount has these measurements:
Flange focal distance: 52.00 mm
Diameter: 41.00 mm
The diameter of the mount is 13mm less than the canon, I think it would fit fine?
as long as the lens rear doesn't get too wide in the few mm it would have to be lowered. Arri has other mounts, like the PL 54.00 mm and the PL Maxi 62.00mm, those would be too big, but the smaller mounts should be fine. I'll just have to look for lenses with the smaller mounts.
it also says: PL-mount optional by user choice: Canon EOS C300, Canon EOS C500, Red One, Red Epic, Red Scarlet)
So I think they can be adapted, at least if you ask Arri or someone who knows how to do it? Since it's only the PL mount that's too big, you'd have to remove it and replace it with the right mount and then make sure no light gets through.