Fotodiox Pro Lens Mount Adapter with Focusing Barrel, Mamiya RZ67 Lens to Canon EOS Camera such as EOS 7D, 60D Premium-grade Fotodiox "Pro" adapter Built-in Focusing Helicoid allows focus with Any Mamiya RZ67 Lens, Super Smooth and Precise Focusing Barrel Infinity Focus Allowed Anodized Aluminum Construction; Smooth surface for effortless mount 24 Month Manufacturer Warranty