hi neuroanatomist - the reason i'm torn is this...


ive heard a few reports of poor sharpness (especially in the corners) on the 17-40


also, because I mostly do nature photography - the fisheye effect might be less obvious in pictures I take that I want to remain "conventional" (very few straight lines - more abstract shapes) do you get what I mean?


I havent had a chance to play with one myself (17-40) but will try to borrow one before I decide