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Schneider-Kreuznach · Exakta mount · Prime lens

Schneider Xenar 50mm f/2.8 (Exakta) — adapter compatibility and body matches

The Schneider Xenar 50mm f/2.8 (Exakta) sits on the Exakta flange geometry (44.7 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
Schneider-Kreuznach
Lens mount
Exakta
Focal length
50mm
Aperture
f/2.8 – f/22
Lens type
Prime
Image stabilization
No
Weight
165 g
Filter thread
— (rear drop-in or no thread)
Released
1955

Background & adapter context

Schneider-Kreuznach's Tessar-type four-element normal for Exakta — well-corrected and compact, a clean classic-rendering standard prime when adapted to mirrorless. Manual focus, manual aperture. Glass-less Exakta adapters to Sony E / MFT retain infinity focus.

Adapting the Schneider Xenar 50 f/2.8 onto other bodies

Every feasible body-mount destination for a Exakta 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
  • generic mechanical adapter ring (multiple vendors)
  • Mechanical adapter only — no electronic communication between Exakta lens and Canon RF body.

Body mount

Canon FD
flange 42 mm
Mechanical
MFno ISAp. ring
  • generic mechanical adapter ring (multiple vendors)
  • Mechanical adapter only — no electronic communication between Exakta lens and Canon FD 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 Exakta lens and Canon EF-M body.

Body mount

Nikon Z
flange 16 mm
Mechanical
MFno ISAp. ring
  • generic mechanical adapter ring (multiple vendors)
  • Mechanical adapter only — no electronic communication between Exakta lens and Nikon Z body.

Body mount

Sony E (incl. FE)
flange 18 mm
Mechanical
MFno ISAp. ring
  • Fotodiox Exakta-NEX
  • K&F Concept Exakta-NEX
  • Generic Exa-NEX rings
  • Auto-aperture Exakta lenses use a side-mounted plunger to stop down — adapter doesn't actuate this; use the lens's manual A/M switch (where present) or stop down by hand.
  • 26.7 mm flange clearance — comfortable adapter thickness.

Body mount

Fujifilm X
flange 17.7 mm
Mechanical
MFno ISAp. ring1.5× crop
  • generic mechanical adapter ring (multiple vendors)
  • Mechanical adapter only — no electronic communication between Exakta lens and Fujifilm X body.

Body mount

Fujifilm GFX (G-mount)
flange 26.7 mm
Mechanical
MFno ISAp. ringvignettes
  • generic mechanical adapter ring (multiple vendors)
  • Mechanical adapter only — no electronic communication between Exakta lens and Fujifilm GFX (G-mount) body.

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 Exakta 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 Exakta lens and L-Mount body.

Body mount

Leica M
flange 27.8 mm
Mechanical
MFno ISAp. ring
  • generic mechanical adapter ring (multiple vendors)
  • Mechanical adapter only — no electronic communication between Exakta lens and Leica M 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 Exakta 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 Exakta lens and C-mount body.

Body mount

Konica AR
flange 40.5 mm
Mechanical
MFno ISAp. ring
  • generic mechanical adapter ring (multiple vendors)
  • Mechanical adapter only — no electronic communication between Exakta lens and Konica AR body.

Body mount

Canon EF
flange 44 mm
Speed booster
MFIS lens-onlyAp. wheel
  • Speed Booster / focal-reducer family
  • Flange clearance is only 0.7 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.

Body mount

Canon EF-S
flange 44 mm
Speed booster
MFIS lens-onlyAp. wheel1.5× crop
  • Speed Booster / focal-reducer family
  • Flange clearance is only 0.7 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.

Body mount

Nikon F
flange 46.5 mm
Speed booster
MFIS lens-onlyAp. wheel
  • Speed Booster / focal-reducer family
  • Flange clearance is only -1.8 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.

Body mount

Sony A / Minolta A
flange 44.5 mm
Speed booster
MFIS lens-onlyAp. wheel
  • Speed Booster / focal-reducer family
  • Flange clearance is only 0.2 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.

Body mount

M42 (Pentax / Praktica screw mount)
flange 45.46 mm
Speed booster
MFIS lens-onlyAp. wheel
  • Speed Booster / focal-reducer family
  • Flange clearance is only -0.8 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.

Body mount

Pentax K
flange 45.46 mm
Speed booster
MFIS lens-onlyAp. wheel
  • Speed Booster / focal-reducer family
  • Flange clearance is only -0.8 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.

Body mount

PL (Positive Lock)
flange 52 mm
Speed booster
MFIS lens-onlyAp. wheel
  • Speed Booster / focal-reducer family
  • Flange clearance is only -7.3 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.

Body mount

Canon EF (cine)
flange 44 mm
Speed booster
MFIS lens-onlyAp. wheel
  • Speed Booster / focal-reducer family
  • Flange clearance is only 0.7 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.

Body mount

T-mount (T2)
flange 55 mm
Speed booster
MFIS lens-onlyAp. wheel
  • Speed Booster / focal-reducer family
  • Flange clearance is only -10.3 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.

Body mount

Praktica B
flange 44.4 mm
Speed booster
MFIS lens-onlyAp. wheel
  • Speed Booster / focal-reducer family
  • Flange clearance is only 0.3 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.

Body mount

Minolta SR / MC / MD
flange 43.5 mm
Speed booster
MFIS lens-onlyAp. wheel
  • Speed Booster / focal-reducer family
  • Flange clearance is only 1.2 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.

Body mount

Olympus OM
flange 46 mm
Speed booster
MFIS lens-onlyAp. wheel
  • Speed Booster / focal-reducer family
  • Flange clearance is only -1.3 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.

Body mount

Contax/Yashica (C/Y)
flange 45.5 mm
Speed booster
MFIS lens-onlyAp. wheel
  • Speed Booster / focal-reducer family
  • Flange clearance is only -0.8 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 Exakta mount

The world's first practical 35 mm SLR mount, introduced by Ihagee Dresden in 1936 on the Kine Exakta. Bayonet interface with a left-handed front-mounted shutter release. Pure mechanical — auto-aperture via external lever, no electrical contacts ever. Carl Zeiss Jena (Biotar, Tessar), Schneider Kreuznach (Xenon), and Meyer-Optik (Trioplan, Primotar) built the most-collected glass for it. Discontinued in 1972 with Ihagee's collapse, but Exakta lenses adapt cleanly onto every mirrorless mount thanks to the modest 44.7 mm flange.

See every adapter that touches the Exakta mount →

Common questions

What's the best body to adapt the Schneider Xenar 50mm f/2.8 (Exakta) onto?
Two strong destinations. First choice: a Canon RF body via a generic mechanical adapter ring (multiple vendors) preserves the most of the Schneider Xenar 50 f/2.8's native behaviour (autofocus, in-lens IS where present, electronic aperture). Second choice: a Canon FD body via a generic mechanical adapter ring (multiple vendors) — 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 Schneider Xenar 50 f/2.8 is adapted onto another body?
No — adapters in our catalogue route the Schneider Xenar 50 f/2.8 through a mechanical path on the best-supported body (Canon EF). Focus is fully manual; rely on the body's focus peaking and magnify-to-focus aids to nail focus.
Does the Schneider Xenar 50 f/2.8's in-lens image stabilization still work through an adapter?
The Schneider Xenar 50 f/2.8 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.

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