| Manufacturer | Leica |
| Series | M |
| Model | Tri-Elmar ASPH |
| Focal Length | 16-18-21mm |
| Max Aperture | f/4 |
| Min Aperture | f/22 |
| Format | Full Frame |
| Image Circle | - |
| Minimum Focus | 1.64ft |
| Focus Rotation | - |
| Iris Blades | - |
| Optical Design | 10/7 |
| Squeeze | none |
| Front Diameter | - |
| Filter Thread | - |
| Focus/Zoom Rod | - |
| Native Mount | M |
| Data Protocol | none |
| Length | 2.4in |
| Weight | 335g |
| Body Telescope | - |
| Body Material | - |
| Focus Drive | Manual |
| Iris Drive | Manual |
| Zoom Drive | - |
Country of Origin: Germany
Release Date: 2006-
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: -
Additional Notes:
…end of Staff section