Canon 20mm vs 17-40mm - Digital Photography Review
Mar 27, 2004· Re: Canon 20mm vs 17-40mm In reply to Dan in Texas • Jul 12, 2003 I have the 20f2.8 and find it is nice but not as sharp as I'd like (most wide angles aren't and probably because I'm used to the 501.8 and 70-200IS …
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