Table of Contents
ZEISS ZM Biogon 21mm f/2.8
Summary
Tech Specs
| Manufacturer | ZEISS |
| Series | ZM |
| Model | Biogon |
| Focal Length | 21mm |
| Max Aperture | f/2.8 |
| Min Aperture | f/22 |
| Format | Full-Frame |
| Image Circle | - |
| Minimum Focus | 19.69in |
| Focus Rotation | ° |
| Iris Blades | - |
| Optical Design | 9/7 |
| Squeeze | none |
| Front Diameter | - |
| Filter Thread | 46mm |
| Focus/Zoom Rod | none |
| Native Mount | M |
| Data Protocol | none |
| Length | 2.52in |
| Weight | 280g |
| Body Telescope | - |
| Body Material | aluminum |
| Focus Drive | manual |
| Iris Drive | manual |
| Zoom Drive | none |
History
Country of Origin:
Release Date:
Launch Price:
Design Revisions:
Service
This section restricted to Duclos Staff users.
Service Manual: (Insert link to manual here)
Full CLA: TBD hrs.
…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