# Arri B — Camera mount flange focal distance and adapter feasibility

For Arri B, flange focal distance (mm) is 52.00; mount type is cine, verified against its source on 2026-08-13.

- **Mount name:** Arri B _(verified: appears in the quote below)_
- **Flange focal distance (mm):** 52.00 _(verified: appears in the quote below)_
- **Mount type:** cine _(verified: appears in the quote below)_

## What the source says

> Arri B | 52.00 mm | cine | | | | | | | |

## 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 **52.00**, as of 2026-08-13.

> Arri B | 52.00 mm | cine | | | | | | | |

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

briansmith.com says flange focal distance (mm) is **52.00 mm**, as of 2026-08-13.

> Arri B | 52.00 mm | Cine

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


### Mount type

en.wikipedia.org says mount type is **cine**, as of 2026-08-13.

> Arri B | 52.00 mm | cine | | | | | | | |

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

briansmith.com says mount type is **Cine**, as of 2026-08-13.

> Arri B | 52.00 mm | Cine

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/).