Thanks for the breakdown
I'm just trying to wrap my head around the logic behind these choices. If i didn't care so much for corner sharpness, the 17-55 would be better since it has IS and is f/2.8. Then it'll depend on how much the new Tamron is, how much better it is with VR over my current Tamron, and how it fares with the canon 17-55 IS.
Another idea I'm contemplating is keeping my lenses and upgrading the t1i to a 7D. The low light performance from reviews are amazing. It seems like an overall upgrade when you consider the shots I can do without IS at higher ISOs.
__________________
flickr
Canon 550D | EF-S 17-55mm f/2.8 IS USM | Canon S95
Canon AE-1 | FD 50mm f/1.8 S.C.
Manfrotto 190XB | 498RC2 | Kata 3N1-20
430EXII | Lumiquest | Macro tube | PT-04 | 16gb EXIII | Optech
|