Reviews and Problems with Canon EF 70-200mm f/2.8L IS USM
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Canon EF 70-200mm f2.8L IS USM Telephoto Zoom Lens for Canon SLR Cameras
Dmitry, Rate it all!
5 February 2009
Summary: I bought this lens a few weeks ago and it consistently produces out of focus images at f/2.8 through f/4.0 Amazon was great to work with, and they sent a replacement which turned out to be defective as well.