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Canon U.S.A. : Support & Drivers : EF 400mm f/2.8L IS USM
The ring USM and an improved AF drive algorithm make the AF speed the fastest in the world when used with the EOS-1v and EOS-3. ... See why Canon IS Lenses won't let your experience be a blur >> Exclusive product insights, photo tips, galleries ...
www.usa.canon.com |
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