Greg a friend of mine has a sigma 70-200 2.8 telephoto lens for sale. it is a canon fit and will work with all digital s.l.rs and all 35mm slr camera's as long as they are canon of course. he also has a crumpler backpack the "farmers double" if you want more info and pics then email him greg@twentymedia.co.uk above photos by greg copeland stolen from flowtography