Table of Contents
ZEISS Jena 20mm f/2.8
Summary
Tech Specs
| Manufacturer | ZEISS |
| Series | Jena |
| Model | Flektogon |
| Focal Length | 20mm |
| Max Aperture | f/2.8 |
| Min Aperture | f/22 |
| Format | - |
| Image Circle | - |
| Minimum Focus | - |
| Focus Rotation | - |
| Iris Blades | - |
| Optical Design | - |
| Squeeze | n/a |
| Front Diameter | - |
| Filter Thread | - |
| Focus/Zoom Rod | n/a |
| Native Mount | M42 |
| Data Protocol | none |
| Length | - |
| Weight | - |
| Body Telescope | - |
| Body Material | - |
| Focus Drive | Manual |
| Iris Drive | Manual |
| Zoom Drive | n/a |
History
Country of Origin:
Release Date:
Launch Price:
Design Revisions:
Service
This section restricted to Duclos Staff users.
Known Issues:
1. keys are plastic. Do not over torque focus.
Service Notes: Disassembly/Re-assembly
No service offered
Full CLA: N/A
Enter relevant notes here
…end of Staff section
Cine-Mod
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