Argus
For Argus, flange focal distance (mm) is 39; mount type is 38mm thread; throat diameter (mm) is 38, verified against its source on 2026-08-13.
- Mount name
- Argus verified
- Flange focal distance (mm)
- 39 verified
- Mount type
- 38mm thread verified
- Throat diameter (mm)
- 38 verified
What the source says
Argus | 38mm thread | 39 | 38 |
— graphics.cornell.edu, retrieved 2026-08-13
Sources disagree
More than one authority states this, and they do not state the same thing. Both are reproduced with the source each came from — deciding between them is yours, not ours.
Flange focal distance (mm)
graphics.cornell.edu says flange focal distance (mm) is 39, as of 2026-08-13.
Argus | 38mm thread | 39 | 38 |
https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html
graphics.cornell.edu says flange focal distance (mm) is 41.9, as of 2026-08-13.
Argus | 33mm thread | 41.9 | 33 |
https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html
Mount type
graphics.cornell.edu says mount type is 38mm thread, as of 2026-08-13.
Argus | 38mm thread | 39 | 38 |
https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html
graphics.cornell.edu says mount type is 33mm thread, as of 2026-08-13.
Argus | 33mm thread | 41.9 | 33 |
https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html
Throat diameter (mm)
graphics.cornell.edu says throat diameter (mm) is 38, as of 2026-08-13.
Argus | 38mm thread | 39 | 38 |
https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html
graphics.cornell.edu says throat diameter (mm) is 33, as of 2026-08-13.
Argus | 33mm thread | 41.9 | 33 |
https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html
Source
- graphics.cornell.eduhttps://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html