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Adapter compatibility · Minolta → Canon

Minolta SR to Canon FD adapter compatibility

Mounting a Minolta SR / MC / MD lens on a Canon FD 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

Speed booster
MFIS lens-onlyAp. wheel

Mount specs

Lens side

Minolta SR / MC / MD

Flange distance
43.5 mm
Protocol
Mechanical only
Type
legacy-SLR

Body side

Canon FD

Flange distance
42 mm
Protocol
Mechanical only
Type
legacy-SLR

Flange-distance gap: only 1.50 mm (43.5 mm − 42 mm) — thinner than a rigid mechanical adapter can be built to reliably reach infinity focus. The verdict above recommends a focal reducer (Speed Booster) instead of a plain spacer.

Flange-distance schematic. Two rails share a sensor plane on the right. The Canon FD body register measures 42 millimetres; the Minolta SR lens needs 43.5 millimetres. The orange region between their left edges is the 1.50 millimetre gap an adapter spans.Sensor planeCanon FD body · 42 mmMinolta SR lens · 43.5 mm+1.50 mm adapter
Both distances right-aligned to the sensor. The gap is only 1.50 mm — thinner than a rigid adapter reliably builds to, so the verdict calls for a focal reducer instead of a plain spacer.

Adapter examples

  • Speed Booster / focal-reducer family

Caveats

  • Flange clearance is only 1.5 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.

Common questions

Will Minolta SR / MC / MD lenses autofocus on a Canon FD body through an adapter?
No — Minolta SR → Canon FD adapters are mechanical only. Focus is fully manual; rely on the Canon FD body's focus peaking and magnify-to-focus aids to nail focus.
Does in-lens image stabilization (IS / VR / OS) still work through a Minolta SR → Canon FD adapter?
Lens-side only — the Minolta SR lens's IS / VR / OS unit operates, but it cannot synchronise with the Canon FD body's IBIS, so the dual-axis stabilisation native Canon FD lenses enjoy isn't available. Lens-side stabilisation still delivers most of the practical benefit.
What's the most-recommended Minolta SR → Canon FD adapter?
No SKU in our curated catalogue covers Minolta SR → Canon FD yet. Adapter examples photographers commonly use include the Speed Booster / focal-reducer family. 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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