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Recently dug up my dad's old Minolta that has a 50mm f1.4 Rokkor-X lens. Since it's such a fast lens, I decided to try a macro teleconverter and use it with my Canon Rebel.
I also have a Canon 100mm f2.8 macro EF lens to compare. Although I can get sharper images with the Canon (it's brighter, with autofocus and stabilization), the Minolta has its own character, especially with flares and ghosting. But for plain shots without obvious bokeh and ghosting, I think it would be hard for most people to tell the difference.
My only frustration is the Photodiox Pro MD-EOS adapter. I read the corrective lens was removable, but there no spanner grooves. I tried friction with a rubber band, but it's in there too tight and smuded the lens. Anyone have experience removing the lens on this adapter?