Camera mount adapter thickness
12 curated glassless camera-to-camera lens adapter combinations, as of 2026-09-12, each with the required adapter thickness computed as source flange focal distance minus target flange focal distance through BackfocusLab's own model.
All adapter pairs
| Source mount | Target mount | Adapter thickness |
|---|---|---|
| Canon EF | Sony E | 26 mm |
| Canon EF | Canon RF | 24 mm |
| Canon EF | Nikon Z | 28 mm |
| Canon EF | Micro Four Thirds | 24.75 mm |
| Canon EF | Fujifilm X | 26.3 mm |
| Nikon F | Sony E | 28.5 mm |
| Nikon F | Canon RF | 26.5 mm |
| Nikon F | Nikon Z | 30.5 mm |
| Sony/Minolta A | Sony E | 26.5 mm |
| Pentax K | Sony E | 27.46 mm |
| M42×1 screw mount | Micro Four Thirds | 26.21 mm |
| T-mount / T2 (M42×0.75) | Sony E | 37 mm |