# Leica m39 screw mount — Camera mount flange focal distance and adapter feasibility

For Leica m39 screw mount, flange focal distance (mm) is 28.8; mount type is Rangefinder 35mm camera, verified against its source on 2026-08-13.

- **Mount name:** Leica m39 screw mount _(verified: appears in the quote below)_
- **Flange focal distance (mm):** 28.8 _(verified: appears in the quote below)_
- **Mount type:** Rangefinder 35mm camera _(verified: appears in the quote below)_

## What the source says

> Leica m39 screw mount | 28.8 | Rangefinder 35mm 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/).