Canon EOS R3 is identified in the maker source with Canon RF and Full frame format. The maker source identifies this body and mount. Detailed lens functions require an exact maker compatibility table.
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Verified specifications
| Field | Value |
|---|---|
| Lens mount | Canon RF |
| Sensor format | Full frame |
| Model identity | canon-eos-r3 |
| Sensor dimensions | 36 × 24 mm |
| Effective resolution | 24.1 MP |
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Before attaching a lens
Match the exact lens mount and model designation. No exact LensMatch lens-pair verdict has been approved for this body. A matching mount label is not a full feature test. Adapter support, cropped recording area and advanced shooting functions are assessed for a specific combination, not inferred from this body’s mount alone.
Try a documented combination
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Official sources and scope
Checked for this reference on October 30, 2026. Product firmware and support lists can change; inspect the current maker page for your exact revision.