Canon RF-S 18-45mm F4.5-6.3 IS STM
18–45mm f/4.5–6.3 zoom for the Canon RF mount, designed for APS-C sensors. Fits 10 cameras in the catalog: 4 natively, 6 with a crop.
Canon RF mountAPS-C coverage18–45mmf/4.5–6.3Everyday
Cameras it fits
Fit is based on the manufacturer's mount and coverage documentation. Open a pair for focus notes and, where we have them, feature-by-feature findings.
| Camera | Sensor | Equivalent view | Fit | Details |
|---|---|---|---|---|
| Canon EOS R10 Canon RF · APS-C · ≈ 28.8–72mm view | APS-C | ≈ 28.8–72mm | Native fit | Check pair → |
| Canon EOS R100 Canon RF · APS-C · ≈ 28.8–72mm view | APS-C | ≈ 28.8–72mm | Native fit | Check pair → |
| Canon EOS R50 Canon RF · APS-C · ≈ 28.8–72mm view | APS-C | ≈ 28.8–72mm | Native fit | Check pair → |
| Canon EOS R7 Canon RF · APS-C · ≈ 28.8–72mm view | APS-C | ≈ 28.8–72mm | Native fit | Check pair → |
| Canon EOS R3 Canon RF · Full frame · ≈ 28.8–72mm view | Full frame APS-C capture area | ≈ 28.8–72mm | Fits with a crop | Check pair → |
| Canon EOS R5 Canon RF · Full frame · ≈ 28.8–72mm view | Full frame APS-C capture area | ≈ 28.8–72mm | Fits with a crop | Check pair → |
| Canon EOS R5 Mark II Canon RF · Full frame · ≈ 28.8–72mm view | Full frame APS-C capture area | ≈ 28.8–72mm | Fits with a crop | Check pair → |
| Canon EOS R6 Mark II Canon RF · Full frame · ≈ 28.8–72mm view | Full frame APS-C capture area | ≈ 28.8–72mm | Fits with a crop | Check pair → |
| Canon EOS R8 Canon RF · Full frame · ≈ 28.8–72mm view | Full frame APS-C capture area | ≈ 28.8–72mm | Fits with a crop | Check pair → |
| Canon EOS RP Canon RF · Full frame · ≈ 28.8–72mm view | Full frame APS-C capture area | ≈ 28.8–72mm | Fits with a crop | Check pair → |
Good to know
This lens was designed for an APS-C sensor. On a full-frame camera it uses the middle of the sensor, so check that the crop mode works in the shooting mode you plan to use.
Manufacturer references
Where the facts on this page come from. Last checked September 7, 2026.
- Canon RF-S 18-45mm F4.5-6.3 IS STM — 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.