> It should be a very fine lens, better than the Sigma and > Tokina optically. But according to a guy who works for Tamron > HK mentioned it was possible that some SF28-75/2.8 might not > be as sharp as they should be due to not perfectly aligned > optical axis. Some sample pics were shown but I don't have > the link. So if anyone who bought this lens which didn't > seem sharp enough to you, you might have it checked just in case.
I've read that there have been some QA problems with this lens, but the samples I've seen have convinced me that it's worth it to try to find a good one. Amita
