Potato, potato – Making an old Sigma lens work on every Canon EOS body

Right, the “potato, potato” thing probably doesn’t work that well in writing, but you get the point. Or at least, you soon will. I got my hands on an old Sigma ‘Super Wide’ 24/2.8 a couple of weeks ago. I came across it and just couldn’t resist; a wide-angle prime is a convenient thing to have, after all. Upon receiving it, I immediately tried it out and…it didn’t work properly. Drat. Well, it did on my old Canon EOS 50e, but it didn’t work on an EOS 7D or an EOS 30. Turns out it’s a well known-compatibility issue. Turns out also that, guess what? It can be fixed!

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