Focus results for 17-40mm lens

Started Aug 8, 2007 | Discussions thread
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bkimura OP
Regular MemberPosts: 176
Re: Focus results for 17-40mm lens
In reply to blssdwlf, Aug 9, 2007

FYI.....I just ran some quick focusing tests on my 50mm 1.4 that was diagnosed by Canon as rear-focusing, and it appears they did a spectacular job. Although I'm very disappointed in the overall Canon QC, their factory repair division deserves kudos.

After seeing what they're capable of, I think I'll send my 17-40mm back for calibration.

  • Bill

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