Petri
For Petri, flange focal distance (mm) is 45.5; mount type is bayonet; throat diameter (mm) is 43, verified against its source on 2026-08-13.
- Mount name
- Petri verified
- Flange focal distance (mm)
- 45.5 verified
- Mount type
- bayonet verified
- Throat diameter (mm)
- 43 verified
What the source says
Petri | bayonet | 45.5 | 43 |
— graphics.cornell.edu, retrieved 2026-08-13
Source
- graphics.cornell.eduhttps://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html