Have just seen this new review and test of the lens:-http://www.digitalcamerareview.com/default.asp?newsID=3676&review=pentax+17-70mmAs you can see from the crops of the "newspaper" testing shots that:- At 17mm, there are serious light fall-off, obvious and large amount of barrel distortion, significant edge softness and blur at image corners. The sharpness could only be partially improved until
