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Old Jun 11, 2003, 11:07 AM   #1
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Default article about the 400 DO

People might find this interesting. Its an article with the three engineers responsible for the creation of the 400 f4 DO lens. Lots of interesting details about lens design in there.

http://www.canon.com/technology/inte...ens/index.html

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Old Jun 11, 2003, 1:04 PM   #2
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Hmmm. Very interesting.
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