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- Newsgroups: rec.photo
- Path: sparky!uunet!zaphod.mps.ohio-state.edu!rpi!batcomputer!cornell!jchen
- From: jchen@cs.cornell.edu (Jeffrey Chen)
- Subject: EF70-210 3 Types?
- Message-ID: <1992Nov20.021009.6816@cs.cornell.edu>
- Organization: Cornell Univ. CS Dept, Ithaca NY 14853
- Date: Fri, 20 Nov 1992 02:10:09 GMT
- Lines: 22
-
- I don't get it: I've seen advertised 3 different 70-210 lenses all
- purportedly made by Canon, can anyone explain differences betweeen
- them?
-
- 70-210 f4.0 USM
- 70-210 f3.5-4.5 USM
- 70-210 f4.0 (not USM)
-
- I can understand why having the first two, but why a USM/non USM
- version of the same lens? Anyone have hands on experience with any/all
- of these lenses?
-
- Thanks,
-
- --Jeff Chen
- jchen@cs.cornell.edu
-
- --
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