# Leica L-mount — Camera mount flange focal distance and adapter feasibility

For Leica L-mount, flange focal distance (mm) is 20.00 mm; mount type is Mirrorless; format is 24X36 mm / APS-C, verified against its source on 2026-08-13.

- **Mount name:** Leica L-mount _(verified: appears in the quote below)_
- **Flange focal distance (mm):** 20.00 mm _(verified: appears in the quote below)_
- **Mount type:** Mirrorless _(verified: appears in the quote below)_
- **Format:** 24X36 mm / APS-C _(verified: appears in the quote below)_

## What the source says

> Leica L-mount | 20.00 mm | Mirrorless | 24X36 mm / APS-C

## Source

- https://briansmith.com/flange-focal-distance-guide/

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/).