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for my xti, i was looking at the Tamron AF 17-50mm f/2.8 and wondering if it's worth the price to get something with a f/2.8 rather than f/3.5. My kit is a f/3.5 so I never used something at f/2.8. The alternative is to get something with IS but using point and shoot IS before, it doesn't really help when there are things moving about.
Last edited by mos_skeeto; 02-17-2008 at 01:12 PM.
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