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Adapter compatibility · Sony / Minolta → Canon

Sony A to Canon RF cine adapter compatibility

Mounting a Sony A / Minolta A lens on a Canon RF (cine) body — the feasibility verdict, AF / IS / aperture-control / infinity-focus outcome, image-circle relationship, official and reputable third-party adapter SKUs, and the caveats worth knowing before you buy.

Verdict at a glance

Mechanical
MFIS lens-onlyAp. wheel

Mount specs

Lens side

Sony A / Minolta A

Flange distance
44.5 mm
Protocol
Sony/Minolta A (SSM/SAM)
Type
DSLR

Body side

Canon RF (cine)

Flange distance
20 mm
Protocol
Canon RF
Type
cinema

Flange-distance gap the adapter fills: 24.50 mm (44.5 mm − 20 mm). That gap is what a mechanical adapter has to fill to hold the lens at its design distance from the sensor.

Flange-distance schematic. Two rails share a sensor plane on the right. The Canon RF cine body register measures 20 millimetres; the Sony A lens needs 44.5 millimetres. The orange region between their left edges is the 24.50 millimetre gap an adapter spans.Sensor planeCanon RF cine body · 20 mmSony A lens · 44.5 mm+24.50 mm adapter
Both distances right-aligned to the sensor. The 24.50 mm gap between the Canon RF cine body register and the Sony A lens (orange) is exactly what a mechanical adapter fills to hold the lens at its design distance.

Adapter examples

  • generic mechanical adapter ring (multiple vendors)

Caveats

  • Mechanical adapter only — no electronic communication between Sony A / Minolta A lens and Canon RF (cine) body.
  • Lens has no aperture ring; choose an adapter with a built-in aperture-control wheel.

Common questions

Will Sony A / Minolta A lenses autofocus on a Canon RF (cine) body through an adapter?
No — Sony A → Canon RF cine adapters are mechanical only. Focus is fully manual; rely on the Canon RF cine body's focus peaking and magnify-to-focus aids to nail focus.
Does in-lens image stabilization (IS / VR / OS) still work through a Sony A → Canon RF cine adapter?
Lens-side only — the Sony A lens's IS / VR / OS unit operates, but it cannot synchronise with the Canon RF cine body's IBIS, so the dual-axis stabilisation native Canon RF cine lenses enjoy isn't available. Lens-side stabilisation still delivers most of the practical benefit.
What's the most-recommended Sony A → Canon RF cine adapter?
No SKU in our curated catalogue covers Sony A → Canon RF cine yet. Adapter examples photographers commonly use include the generic mechanical adapter ring (multiple vendors). Pair compatibility is mostly mechanical, so any well-built adapter at the correct flange distance should work — pick on build quality and tripod-foot integration.

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