This is an instruction manual for the Mamiya RB 67 Professional SD camera
The Mamiya RB67 Pro‑SD is a 6×7 cm medium‑format single‑lens reflex camera with a revolving back that allows quick switching between vertical and horizontal orientations. It features an enlarged 61 mm lens‑mount, interchangeable film holders for 120/220 roll film, and a robust mechanical design that operates from –20 °C to –50 °C.
The manual explains how to load film, operate the shutter and mirror, use the various accessories, and perform routine maintenance. Safety interlocks prevent accidental exposure, and detailed troubleshooting steps help resolve common issues. Proper storage guidelines are provided to keep the camera in optimal condition over long periods. This manual is written in Chinese.