Table of Contents
ZEISS (ARRIFLEX) Standard Speed Distagon 12mm T2.1 MkI
Summary
This is a 16mm lens with an aspheric adapter
Standard mount lenses: ARRI Standard mount, smaller lens housing, no geared iris or focus rings, focus “wings” or tabs
Standard Speed MkI: ARRI Standard or PL mount, larger lens housing, geared focus ring, no geared iris ring
Standard Speed MkII: ARRI Standard or PL mount, larger lens housing, geared focus and iris rings
Tech Specs
| Manufacturer | ZEISS |
| Series | Standard Speed MkI |
| Model | Distagon |
| Focal Length | 12mm |
| Max Aperture | T2.1 |
| Min Aperture | T22 |
| Format | Super 35 |
| Image Circle | - |
| Minimum Focus | 10 in. |
| Focus Rotation | - |
| Iris Blades | - |
| Optical Design | - |
| Squeeze | none |
| Front Diameter | 135mm |
| Filter Thread | none |
| Focus/Zoom Rod | n/a |
| Native Mount | PL |
| Data Protocol | none |
| Length | 5.5 in. |
| Weight | 1134 g |
| Body Telescope | none |
| Body Material | Aluminum |
| Focus Drive | Manual |
| Iris Drive | Manual |
| Zoom Drive | n/a |
History
Country of Origin: Germany
Release Date: -
Launch Price: -
Design Revisions:
Service
This section restricted to Duclos Staff users.
Known Issues:
1. Two versions of 12mm created: an Arri 12mm and a converted ZEISS 16mm T2.1. Differences: The Arri 12mm has a remanufactured focus scale that reads down to 7“. It also has the “16” machined off the rear housing and has a little “12” sticker in its place.
Service Manual: Disassembly/Re-assembly
Screws: ZEISS
PL Mount Cone Sizes: ZEISS PL Cone
Full CLA: 6-7 hrs.
Enter relevant notes here
front ring diameter: 5.313”/134.9mm
replace FE:
2 versions of FE (old & new): smaller can be installed with shims into larger housing. not the other way around.
…end of Staff section