...  the nice Sigma sale Amazon just had (maybe it is still going - I am not sure) Amazon has a number of Tamron lenses with discounts. Tamron Discounts on Amazon. Between Tamron and Sigma, I have had better luck with Tamron. The outstanding Tamron 17-50 f2.8 is one of my more heavily used lenses. For some the range is too limited, but you can't fault the image quality for the price. Anyway, if you have been considering a Tamron lens, this might be a good opportunity to save a ...