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Adapter compatibility · Canon → Canon

Canon FD to Canon RF cine adapter compatibility

Mounting a Canon FD 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
MFno ISAp. ring

Mount specs

Lens side

Canon FD

Flange distance
42 mm
Protocol
Mechanical only
Type
legacy-SLR

Body side

Canon RF (cine)

Flange distance
20 mm
Protocol
Canon RF
Type
cinema

Flange-distance gap the adapter fills: 22.00 mm (42 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 Canon FD lens needs 42 millimetres. The orange region between their left edges is the 22.00 millimetre gap an adapter spans.Sensor planeCanon RF cine body · 20 mmCanon FD lens · 42 mm+22.00 mm adapter
Both distances right-aligned to the sensor. The 22.00 mm gap between the Canon RF cine body register and the Canon FD 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 Canon FD lens and Canon RF (cine) body.

Common questions

Will Canon FD lenses autofocus on a Canon RF (cine) body through an adapter?
Autofocus is not applicable to this pairing — the Canon FD mount predates electronic AF, or the bodies in this family do not implement AF for adapted lenses.
Does in-lens image stabilization (IS / VR / OS) still work through a Canon FD → Canon RF cine adapter?
Stabilisation is not applicable — Canon FD lenses in this family do not ship with in-lens stabilisation, or the adapter pair predates the IS protocol entirely.
What's the most-recommended Canon FD → Canon RF cine adapter?
No SKU in our curated catalogue covers Canon FD → 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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