Reference / BackfocusLab

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 mountTarget mountAdapter thickness
Canon EFSony E26 mm
Canon EFCanon RF24 mm
Canon EFNikon Z28 mm
Canon EFMicro Four Thirds24.75 mm
Canon EFFujifilm X26.3 mm
Nikon FSony E28.5 mm
Nikon FCanon RF26.5 mm
Nikon FNikon Z30.5 mm
Sony/Minolta ASony E26.5 mm
Pentax KSony E27.46 mm
M42×1 screw mountMicro Four Thirds26.21 mm
T-mount / T2 (M42×0.75)Sony E37 mm

Machine-readable data