Canon EF-S 18-135mm f/3.5-5.6 IS USM
on the Canon EOS R7
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 APS-C sensor · 1.6× field of view
- Equivalent view
- 28.8–216mm 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.
- The sensor changes the angle of view. The lens’s actual focal length and f-number do not change.
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 R7
Canon RF mount · APS-C sensor
All lenses that fit this cameraCanon EF-S 18-135mm f/3.5-5.6 IS USM
Canon EF-S mount · APS-C coverage · 18–135mm · f/3.5–5.6
All cameras this lens fitsOther everyday lenses that fit the Canon EOS R7
Same category, native mount. Not a ranking.
| Lens | Coverage | Focal length | Details |
|---|---|---|---|
| Canon RF 28mm F2.8 STM Full frame · 28mm | Full frame | 28mm | Check pair → |
| Canon RF 35mm F1.8 Macro IS STM Full frame · 35mm | Full frame | 35mm | Check pair → |
| Canon RF 24-70mm F2.8L IS USM Full frame · 24–70mm | Full frame | 24–70mm | Check pair → |
| Canon RF 24-105mm F4L IS USM Full frame · 24–105mm | Full frame | 24–105mm | Check pair → |
Manufacturer references
Where the facts on this page come from. Last checked September 7, 2026.
- Canon EOS R7 — official specificationsManufacturer specification page used to verify camera model, lens mount and sensor format.
- Canon EF-S 18-135mm f/3.5-5.6 IS USM — official product informationManufacturer product page or manual used to verify lens identity, focal length, maximum aperture and format.
- 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.
- 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.
- 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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