Hi Adrian. Please try the Nikon 14-24G f2.8 adapted to fit Canon. It blows the competition away, as far as I am concerned(I have one myself). Go to 16-9.net, and check out his comparison of it versus the 16-35L(ll), and the Canon 14L, also. I use it mainly on my 1D4, an d occasionally on my 5D2(doesn