This is an instruction manual that introduces the features, specifications, and usage of the Mamiya M645 1000S camera
This manual provides detailed instructions for using the Mamiya M645 1000S medium‑format SLR, covering everything from battery installation and film loading to shutter speed settings, focusing, and flash use. It also includes troubleshooting tips, safety precautions, and care guidelines to keep the camera performing reliably.
The guide describes the camera’s special features such as the moving‑coil electronic shutter, interchangeable finders, and multiple‑exposure capability, and lists specifications, part functions, and accessory options for photographers who need precise control over their medium‑format work.
| Camera Type | 6 x 4.5 cm electronic focal‑plane shutter SLR |
|---|---|
| Film Type | 120 roll‑film for 15 exposures, 220 roll‑film for 30 exposures |
| Battery Type | One 6V silver‑oxide battery 4SR44 or 6V alkaline battery 4LR44 |
| Shutter | B, 8‑1/1000 sec. Moving Coil Electronic Focal‑Plane Shutter |
| Lens Mount | Mamiya M645 bayonet mount |
| Focusing Method | Helicoid focusing mount on each Mamiya‑Sekor lens |
| Depth‑of‑Field Preview Lever | Spring‑loaded, self‑returning |