| Manufacturer | Mamiya-Sekor |
| Series | 645 |
| Model | C (mirror) |
| Focal Length | 500mm |
| Max Aperture | f/8 |
| Min Aperture | f/8 |
| Format | 645 |
| Image Circle | - |
| Minimum Focus | 157 in. |
| Focus Rotation | - |
| Iris Blades | n/a |
| Optical Design | 7 / 5 |
| Squeeze | n/a |
| Front Diameter | n/a |
| Filter Thread | Drop-in |
| Focus/Zoom Rod | n/a |
| Native Mount | Mamiya 645 |
| Data Protocol | n/a |
| Length | 5.3 in. |
| Weight | 880g |
| Body Telescope | - |
| Body Material | - |
| Focus Drive | Manual |
| Iris Drive | Manual |
| Zoom Drive | n/a |
Country of Origin: Japan
Release Date:
Launch Price:
Design Revisions:
This section restricted to Duclos Staff users.
Service Manual: (Insert link to manual here)
Full CLA: #hrs.
Enter relevant notes here
…end of Staff section
This section restricted to Duclos Staff users.
Focus Ring O.D.:
Zoom Ring O.D.:
Iris Ring O.D.:
De-click Y/N: No
Additional Notes:
…end of Staff section