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I took an old Tamron SP 300mm telephoto lens (which has a C/Y Mount) and used it with an adapter on a Micro Four Thirds camera.
Now, with the crop factor, it's effectively like a 600mm lens, but since Olympus make their own 300mm lens, I thought "why not".
Well... I think I know "why not" since the answer seems clear - lots of missed focus and chomatic aberration.
idk how to fix the chromatic aberration, since no matter what I do in post, it just stays there
btw, when I was out shooting, some Sony APS-C user gave me this angry look
