Mamiya 220 Pro II Film Back is the 6x7cm-format for the Mamiya RZ67. The film back produces 16 exposures with 220 roll film. Its 90° revolving back system gives you the freedom of camera positioning and choice of films and formats. This back includes built-in multiple exposure prevention mechanism, automatic film wind-stop release, and counter. Roll film is advanced with a single 114° stroke of the Cocking Lever, and can also be advanced with the Film Advance knob of the Film Holder. The film back is compatible with Mamiya RZ series camera and 220 roll film.