After reading this:
I began to question my order on my sigma 24-70mm f/2.8 lense. I am now thinking of getting the tamron but still not sure.
I have a canon 30d, 70-200 f/2.8, and 50mm f1.8
For use on my 30d which would you guys probably get? the tamron 28-75 or siggy 24-70?