(INSERT SINGLE HERO IMAGE HERE - other images below in media section)
| Manufacturer | ZEISS |
| Series | B Speed |
| Model | Distagon |
| Focal Length | 25mm |
| Max Aperture | T1.4 |
| Min Aperture | T11 |
| Format | Academy 35 |
| Image Circle | - |
| Minimum Focus | 10 in. |
| Focus Rotation | 180 |
| Iris Blades | 9 |
| Optical Design | 10 / 9 |
| Squeeze | none |
| Front Diameter | n/a |
| Filter Thread | n/a |
| Focus/Zoom Rod | n/a |
| Native Mount | Arri B |
| Data Protocol | none |
| Length | 3.4 in. |
| Weight | 550 g |
| Body Telescope | - |
| Body Material | Aluminum |
| Focus Drive | Manual |
| Iris Drive | Manual |
| Zoom Drive | n/a |
Country of Origin: Germany
Release Date: 1974
Launch Price:
Design Revisions:
This section restricted to Duclos Staff users.
Service Manual: (Insert link to manual here)
Full CLA: 5-7 hrs.
Enter relevant notes here
Spray and bake threads: +1 hr.
Parts on wall with screws. Use M1.5 set screw.
Strip and re-paint rear housing: +1 hr if getting other service work or 2 hrs if no other service is included.
Enter relevant notes here
80mm Front Ring:
67-80mm Front Ring works well.
Replace iris button: see P/N 38201013
Replacing elements:
Elements from B-Speed, MkI, MkII, and MkIII Super Speeds are identical and can be interchanged successfully. (confirm?)
…end of Staff section