Mounting 35mm glass to m43

A

ajcourtney

Active member
How are you guys mounting your 35mm lenses to this cam? I've seen some of the adapters out there. Do they allow correct infinity focus? I've got some great Pentax M lenses and the PK-EOS adapters for the 7D/550D and you cannot achieve true infinity focus with some of the lenses (close but not truly perfect - presumably because the focal flange distance is incorrect).
 
If you bought a bad adapter I could see infinity focusing being an issue but my M42 to m4/3 works great. It's a great all metal build and I've had no issues with it at all.
 
The only adapters which may present infinity focus issues are C-mount adapters simply because C-mount lenses offer such a wide variety of mounts to where not all of them fit the adapter completely, or not all of them fit the rear lens element into the camera.

Aside from that, there should be no issue with infinity with other lenses because they all have longer flange distances than the m4/3 format requires. For the most part, adapters go a bit beyond infinity to make sure they hit infinity. There might be individual adapter issues here and there due to manufacturing tolerances (it happens, they're cheap for a reason), but even those are fairly easy to fix.
 
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