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Old Aug 6, 2006, 11:04 PM   #3
Brooke Smith
Junior Member
Join Date: Aug 2006
Posts: 2

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:
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