| Manufacturer | Canon |
| Series | nFD |
| Model | L |
| Focal Length | 400mm |
| Max Aperture | f/2.8 |
| Min Aperture | f/32 |
| Format | Full Frame |
| Image Circle | - |
| Minimum Focus | 157 in. |
| Focus Rotation | - |
| Iris Blades | - |
| Optical Design | 10 / 8 |
| Squeeze | none |
| Front Diameter | - |
| Filter Thread | 48mm |
| Focus/Zoom Rod | none |
| Native Mount | FD |
| Data Protocol | none |
| Length | 13.7 in. |
| Weight | 5395 g |
| 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: Disassembly/Re-assembly
Service Manual: General Estimate Pricing
Full CLA: 8 hrs.
insert notes here
Re-collimate: 2-3 hrs.
Repaint housing: Full CLA + 8 hrs.
…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:
Additional Notes:
…end of Staff section