Skip to content
lensmount

Leica · Leica M mount · Prime lens

Leica Summilux-M 50mm f/1.4 ASPH — adapter compatibility and body matches

The Leica Summilux-M 50mm f/1.4 ASPH sits on the Leica M flange geometry (27.8 mm) — below is every body mount it adapts onto, the autofocus / IS / aperture-control level you should expect, and the specific adapter SKUs that ship the path.

Lens specifications

Manufacturer
Leica
Lens mount
Leica M
Focal length
50mm
Aperture
f/1.4 – f/16
Lens type
Prime
Image stabilization
No
Weight
335 g
Filter thread
46 mm
Released
2004

Background & adapter context

Full-frame coverage. The most-adapted M-mount fast 50; rendering wide-open is the lens's calling card. Mechanically compatible with Techart LM-EA9 for AF on Sony FE.

Adapting the Summilux-M 50 f/1.4 ASPH onto other bodies

Every feasible body-mount destination for a Leica M lens, sorted by adapter feasibility. Curated adapter SKUs (linked below) cover the specific lens-side → body-side pairing — pick the row matching the body you own, then click the SKU for the full teardown.

Body mountResultAdapter examplesCaveats

Body mount

Canon RF
flange 20 mm
Mechanical
MFno ISAp. ring
  • Mechanical adapter only — no electronic communication between Leica M lens and Canon RF body.

Body mount

Canon EF-M
flange 18 mm
Mechanical
MFno ISAp. ring1.5× crop
  • generic mechanical adapter ring (multiple vendors)
  • Mechanical adapter only — no electronic communication between Leica M lens and Canon EF-M body.

Body mount

Nikon Z
flange 16 mm
Mechanical
AF partialno ISAp. ring
  • Megadap MTZ11 adds autofocus by mechanically extending the rear flange via a 4.5 mm voice-coil tube — works with any M-mount lens (Leica, Voigtländer, Zeiss ZM, 7Artisans, TT Artisan).
  • AF speed is leisurely by design; brilliant for static or low-motion work, not for sports / wildlife.

Body mount

Sony E (incl. FE)
flange 18 mm
Mechanical
MFno ISAp. ring
  • Manual focus by design; Techart LM-EA9 adds AF by mechanically extending the rear flange.
  • Wide M-mount lenses can show colour cast / smearing on the sensor edges; mitigated on later A7 generations.

Body mount

Fujifilm X
flange 17.7 mm
Mechanical
MFno ISAp. ring1.5× crop
  • Voigtländer VM-X Close Focus
  • Generic M-FX rings
  • Manual focus only; APS-C crop turns 50 mm M-mount into a ~75 mm equivalent.

Body mount

Micro Four Thirds
flange 19.25 mm
Mechanical
MFno ISAp. ring2× crop
  • generic mechanical adapter ring (multiple vendors)
  • Mechanical adapter only — no electronic communication between Leica M lens and Micro Four Thirds body.

Body mount

L-Mount
flange 20 mm
Mechanical
MFno ISAp. ring
  • generic mechanical adapter ring (multiple vendors)
  • Mechanical adapter only — no electronic communication between Leica M lens and L-Mount body.

Body mount

Canon RF (cine)
flange 20 mm
Mechanical
MFno ISAp. ring
  • generic mechanical adapter ring (multiple vendors)
  • Mechanical adapter only — no electronic communication between Leica M lens and Canon RF (cine) body.

Body mount

C-mount
flange 17.526 mm
Mechanical
MFno ISAp. ring2.7× crop
  • generic mechanical adapter ring (multiple vendors)
  • Mechanical adapter only — no electronic communication between Leica M lens and C-mount body.

Body mount

Fujifilm GFX (G-mount)
flange 26.7 mm
Speed booster
MFIS lens-onlyAp. wheelvignettes
  • Speed Booster / focal-reducer family
  • Flange clearance is only 1.1 mm — a plain mechanical adapter cannot reach infinity focus; a focal reducer (Speed Booster) with optical glass is required.
  • Speed Boosters typically widen the effective focal length (~0.71×) and add ~1 stop of light, which can be desirable on crop bodies.

About the Leica M mount

Leica's rangefinder bayonet, in production since 1954 and still active on the M11. Manual-focus only, but with 6-bit lens-coding for in-body lens detection. The compact body of M lenses (designed for the short 27.8 mm rangefinder flange) makes them prime candidates for adapting onto mirrorless — especially Sony E and Fujifilm X.

See every adapter that touches the Leica M mount →

Common questions

What's the best body to adapt the Leica Summilux-M 50mm f/1.4 ASPH onto?
Two strong destinations. First choice: a Nikon Z body via the Megadap MTZ11 preserves the most of the Summilux-M 50 f/1.4 ASPH's native behaviour (autofocus, in-lens IS where present, electronic aperture). Second choice: a Canon RF body via the Novoflex EOSR/LEM — solid fallback when the first body family is unavailable. The /matrix and /picker pages let you compare every feasible adaptation side-by-side.
Will autofocus work when the Summilux-M 50 f/1.4 ASPH is adapted onto another body?
Partially — on a Nikon Z body through the Megadap MTZ11, single-shot AF works reliably on the Summilux-M 50 f/1.4 ASPH, but continuous-tracking AF and subject-detect modes are slower or less reliable than on native Nikon Z glass.
Does the Summilux-M 50 f/1.4 ASPH's in-lens image stabilization still work through an adapter?
The Summilux-M 50 f/1.4 ASPH has no in-lens IS / VR / OS unit — there's no in-lens stabilisation to pass through. Bodies with IBIS (most modern mirrorless) still stabilise the captured frame, but stabilisation is body-side only.

Keep exploring