Sigma 10-20 mm f4-5.6 DC EX HSM on a Canon EOS 5D.
It´s interesting that, because of the retrofocus design of Canon DX lenses, you cannot mount them on a Full Frame camera. Sigma DX lenses, on the other hand, CAN be mounted on FF cameras.
Álvaro Gómez Velasco
Sigma 10-20 mm f4-5.6 DC EX HSM on a Canon EOS 5D.
It´s interesting that, because of the retrofocus design of Canon DX lenses, you cannot mount them on a Full Frame camera. Sigma DX lenses, on the other hand, CAN be mounted on FF cameras.