Auto extension tubes making Canon 5D hunt for focus
Got my 5D just in, fitted with a 28-135mm. Stuck my old auto extension tube/s on it and it appears to hunt quite badly for focus.
I don't remember there being a problem before, but they're a good age now, the tubes.
Anyone had similar problems? Should the Kenko tubes be better? Still have it in the back of my mind, just getting a suitable macro lens...
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