# 4/3 (Four Thirds) — Camera mount flange focal distance and adapter feasibility

For 4/3 (Four Thirds), flange focal distance (mm) is 38.67; mount type is SLR camera, verified against its source on 2026-08-13.

- **Mount name:** 4/3 (Four Thirds) _(verified: appears in the quote below)_
- **Flange focal distance (mm):** 38.67 _(verified: appears in the quote below)_
- **Mount type:** SLR camera _(verified: appears in the quote below)_

## What the source says

> 4/3 (Four Thirds) | 38.67 | SLR camera

## Source

- https://allphotolenses.com/articles/item/c_6.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/).