Discover the New EF 600mm and EF 400mm Type III Super Telephoto Lenses

Learn all about the features in these lighter super telephoto lenses with Canon U.S.A. Technical Advisor, Rudy Winston. Learn more: https://Canon.us/gttcb https://ift.tt/2wK98zS CanonUSA September 05, 2018 at 03:08AM