DO or Non DO 70-300IS ??

Started Oct 15, 2006 | Discussions thread
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DO or Non DO 70-300IS ??
Oct 15, 2006

Have read many of the posts on this subject and read the reviews on both (so I know just enough to be dumb on the subject... :-). But based on what I've read, I'm hard pressed to understand the advantage of the DO - other than "possibly" (1) a little better AF speed and (2) a "bit" smaller in size.

Even if the money was "equal", I'm not sure I understand why going to a DO would be a "slam dunk" decision.

Are there other reasons I'm missing; my guess is that there are? Why does/would someone go for the DO rather than the regular IS (non-DO) version?

Thanks much,


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