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Old Aug 6, 2006, 11:04 PM   #3
Brooke Smith
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Join Date: Aug 2006
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The research that I did said that the Canon 24-70 2.8L is a parfocal lens. And that would explain whyI am gettingbetter focus when I focus andzoom back than when I rely on the camera to focus when I amzoomed back.

I'll look and see if I can find the link that indicated that this lens is a parfocal lens.

Found one of them:

http://www.photozone.de/8Reviews/canonFAQ.htm#3Q5f
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