| Manufacturer | Nikon |
| Series | Nikkor |
| Model | Ai-S |
| Focal Length | 200-400mm |
| Max Aperture | f/4 ED |
| Min Aperture | - |
| Format | - |
| Image Circle | - |
| Minimum Focus | 4 |
| Focus Rotation | - |
| Iris Blades | 9 |
| Optical Design | 15/10 |
| Squeeze | - |
| Front Diameter | 144 |
| Filter Thread | 122 |
| Focus/Zoom Rod | - |
| Native Mount | F |
| Data Protocol | - |
| Length | 330 |
| Weight | 3650 |
| Body Telescope | - |
| Body Material | - |
| Focus Drive | - |
| Iris Drive | - |
| Zoom Drive | - |
Country of Origin: -
Release Date: -
Launch Price: -
Design Revisions:
Service Manual: (Insert link to manual here)
Full CLA: #hrs.
Enter relevant notes here