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Old 14th of July 2006 (Fri)   #1
Albert Harrison, Jr.
Join Date: Dec 2005
Location: Louisiana, USA
Posts: 220
Default 70-300 is usm fyi


I spoke with a Canon rep. today on the phone and inquired about problems with the 70-300 IS USM lens focusing correctly when zoomed all the way out and held in the vertical (portrait) orientation (vs. normal landscape orientation). Some of you have posted threads concerning this problem. Just thought I'd pass along some useful info to you. According to the Canon rep., if the seriel number of the lens has a "0" or "1" as its third digit, it is one of the faulty lenses. So if you got out to purchase one of these lenses, be sure to check the seriel number before you buy.

Hope I've been of help to you!
Albert Harrison, Jr.

Life, Liberty and the pursuit of better pictures....

Canon EOS 20D
18-55 kit lens, 70-300 promaster
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Old 14th of July 2006 (Fri)   #2
TD's worst nightmare!
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Join Date: Jan 2006
Location: Puyallup -- Don't worry. Nobody else can pronounce it either.
Posts: 6,484
Default Re: 70-300 is usm fyi

pssst--there's a sticky at the top of the page about this now:

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