Anyone had a play with one of these or know where there is a pro review? (I know they aren't available yet) I have one on order and I can't wait to get it. Unfortunately it doesn't look like it will be ready in time for Vivid as I just received an invite for the canon guided photo walk and would love to try it out there.
oh well...
This will be the first new lens I have bought in years, and I have been missing going really wide since I switched to digital. I'm not sure what I will do with 4 stops of is - maybe try and handhold a star trail!