# Fujifilm X-mount — Camera mount flange focal distance and adapter feasibility

For Fujifilm X-mount, flange focal distance (mm) is 17.7 mm; mount type is Mirrorless; format is APS-C; production years is 2012–, verified against its source on 2026-08-13.

- **Mount name:** Fujifilm X-mount _(verified: appears in the quote below)_
- **Flange focal distance (mm):** 17.7 mm _(verified: appears in the quote below)_
- **Mount type:** Mirrorless _(verified: appears in the quote below)_
- **Format:** APS-C _(verified: appears in the quote below)_
- **Production years:** 2012– _(verified: appears in the quote below)_

## What the source says

> Fujifilm X-mount | 17.7 mm | Mirrorless | APS-C | 2012–

## 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.

### Flange focal distance (mm)

en.wikipedia.org says flange focal distance (mm) is **17.7 mm**, as of 2026-08-13.

> Fujifilm X-mount | 17.7 mm | Mirrorless | APS-C | 2012–

Source: https://en.wikipedia.org/wiki/Flange_focal_distance

briansmith.com says flange focal distance (mm) is **17.70 mm**, as of 2026-08-13.

> Fujifilm X-mount | 17.70 mm | Mirrorless | APS-C

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


## Source

- https://en.wikipedia.org/wiki/Flange_focal_distance
- 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/).