twhite87 Messages 1,829 Name Tim Edit My Images Yes 17 Jan 2014 #1 Sigma 300mm f2.8 EX DG HSM with Canon 2x mk III Can anybody tell me if these two are compatible with each other?
Sigma 300mm f2.8 EX DG HSM with Canon 2x mk III Can anybody tell me if these two are compatible with each other?
