I have the non VR Tamron 17-50 f/2.8 and am perfectly happy with it on my 7D. Images are sharp wide open, build is good, AF is pretty fast and the lens is relatively light and small compared to the Canon 17-55. Yes, the AF is a bit noisy, but it works well.


For shots in a European city, the 17-24mm range would be useful. That being said, neuro has a point that the 24-105