11-22-2012 09:13 PM
11-23-2012 01:54 AM
Welcome!
There are a lot of comparisons out there of these lenses.
http://lmgtfy.com/?q=canon+10-22+%2C+tamron+10-24%2C+sigma+10-20+vs
Considering all those discussions and comparisons, is there a specific question you have about these?
11-23-2012 05:18 AM
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