Problems with my 17-40f4L

Started Jan 18, 2010 | Discussions thread
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Dan Kramer
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Problems with my 17-40f4L
Jan 18, 2010

Suddenly, the lens does not focus right anymore with my Rebel xsi. It hunts, and 50% of the time when it indicates focus, it will be completely out of focus (completely blurry even through the viewfinder).

I cleaned the lens and the contacts with no success. My xsi focuses fine with my other lenses.

It's probably time to send it to canon for service, but I thought I'd check here first to see if somebody else has seen this before.

Thanks for any input!

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