Well, I didn't pay much for it so it's not the end of the world that it doesn't work completely. I was just hoping that someone had had a similar...
Hi It's definitely the lens. I've tested it extensively in bright sunshine with high contrast targets, used all of the available autofocus points...
Hi I've just gotten hold of a EF 20mm f2.8mm with USM autofocus. Its has a a strange problem that I've never come across before. When focussing...
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