# Altix — Camera mount flange focal distance and adapter feasibility For Altix, flange focal distance (mm) is 42.5; mount type is breech lock; throat diameter (mm) is 34, verified against its source on 2026-08-13. - **Mount name:** Altix _(verified: appears in the quote below)_ - **Flange focal distance (mm):** 42.5 _(verified: appears in the quote below)_ - **Mount type:** breech lock _(verified: appears in the quote below)_ - **Throat diameter (mm):** 34 _(verified: appears in the quote below)_ ## What the source says > Altix | breech lock | 42.5 | 34 | ## Source - https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html Last verified: 2026-08-13. Review by: 2028-08-12. Part of [Camera mount flange focal distance and adapter feasibility](https://referencesource.org/camera-lens-body-adapter-compatibility/).