Canon EF 50mm f/1.8 STM
on the Canon EOS R8

Adapter needed

This lens uses Canon Mount Adapter EF-EOS R to connect to this camera.

Connection
Canon Mount Adapter EF-EOS R
Sensor coverage
Covers the camera sensor
Equivalent view
50mm compared with full frame

Focus and operation

The Canon EF-EOS R adapter supports electronic focus and exposure with compatible Canon EF / EF-S lenses.

Based on the manufacturer's documentation, not a test of this exact pair. Autofocus modes, stabilization, burst rate, and video support can still depend on firmware and settings.

Canon EOS R8

Canon RF mount · Full frame sensor

All lenses that fit this camera

Canon EF 50mm f/1.8 STM

Canon EF mount · Full frame coverage · 50mm · f/1.8

All cameras this lens fits

Other portrait lenses that fit the Canon EOS R8

Same category, native mount. Not a ranking.

LensCoverageFocal lengthDetails
Canon RF 50mm F1.8 STM
Full frame · 50mm
Full frame50mmCheck pair →
Canon RF 85mm F2 Macro IS STM
Full frame · 85mm
Full frame85mmCheck pair →
Canon RF 70-200mm F4L IS USM
Full frame · 70–200mm
Full frame70–200mmCheck pair →
Canon RF 70-200mm F2.8L IS USM
Full frame · 70–200mm
Full frame70–200mmCheck pair →

Manufacturer references

Where the facts on this page come from. Last checked September 7, 2026.

  1. Canon EOS R8 — official specificationsManufacturer specification page used to verify camera model, lens mount and sensor format.
  2. Canon EF 50mm f/1.8 STM — official product informationManufacturer product page or manual used to verify lens identity, focal length, maximum aperture and format.
  3. Canon lens compatibility guideOfficial system matrix for RF, RF-S, EF and EF-S. Canon EF-S lenses do not fit full-frame EF DSLRs; RF lenses do not fit DSLRs.
  4. Canon EOS R5 manual: still-photo croppingRF-S and adapted EF-S lenses automatically select the 1.6x APS-C image area on this full-frame RF body; fewer pixels are recorded.
  5. Canon manual: attaching EF and EF-S lensesEF and EF-S lenses require the optional Mount Adapter EF-EOS R to attach to an RF body.

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