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lensmount

Camera lens mounts — every common standard, one click deep

Pick a mount to see its flange focal distance, electronic protocol, supported formats, and which adapter routes preserve autofocus, IS, and aperture control onto every other mount in the matrix.

All 27 mounts on the flange-distance axis

Mirrorless mounts cluster below 20 mm; SLR mounts cluster around 44–46 mm. The gap between those two clusters is the room a mechanical adapter occupies — the physical reason cross-brand mirrorless adaptation works.

Flange focal distance scaleHorizontal axis from 0 to 60 millimetres showing the flange focal distance of every camera lens mount in the dataset. Mirrorless mounts cluster below 20 mm; SLR mounts cluster around 44 to 46 mm. The gap between the two clusters is the room a mechanical adapter occupies — the physical reason cross-brand mirrorless adaptation works.0 mm10 mm20 mm30 mm40 mm50 mm60 mmNikon Z16 mmC-mount17.526 mmFujifilm X17.7 mmCanon EF-M18 mmSony E18 mmMicro Four Thirds19.25 mmCanon RF20 mmL-Mount20 mmCanon RF cine20 mmFujifilm GFX26.7 mmLeica M27.8 mmKonica AR40.5 mmCanon FD42 mmMinolta SR43.5 mmCanon EF44 mmCanon EF-S44 mmCanon EF cine44 mmPraktica B44.4 mmSony A44.5 mmExakta44.7 mmM4245.46 mmPentax K45.46 mmContax45.5 mmOlympus OM46 mmNikon F46.5 mmPL52 mmT-mount55 mm
Flange focal distance (mm)SLR / DSLRMirrorlessRangefinderMedium-format mirrorlessCinemaLegacy SLR

Arri (industry standard)

Canon

Contax / Yashica

Fujifilm

Ihagee Dresden

Konica

Leica

Leica / Panasonic / Sigma

Minolta

Nikon

Olympus

Olympus / OM System / Panasonic

Pentax / Ricoh

Sony

Sony / Minolta

Various

Various (cine / industrial standard)

Various (Tamron-originated standard)

VEB Pentacon