Canon RF-S 18-45mm f/4.5-6.3 IS STM vs Canon RF-S 55-210mm f/5-7.1 IS STM
Both are Canon RF mount zooms for travel and budget — here's how the specs differ and which to pick. Every spec is from the manufacturer's own catalog.
| Spec | Canon RF-S 18-45mm f/4.5-6.3 IS STM | Canon RF-S 55-210mm f/5-7.1 IS STM |
|---|---|---|
| Focal length | 18-45mm | 55-210mm |
| Max aperture | f/4.5-6.3 | f/5-7.1 |
| Type | zoom | zoom |
| Coverage | APS-C | APS-C |
| Mount | Canon RF | Canon RF |
Which should you buy?
- the Canon RF-S 18-45mm f/4.5-6.3 IS STM opens wider (f/4.5-6.3) — brighter in low light and more background blur
- the Canon RF-S 18-45mm f/4.5-6.3 IS STM covers 18-45mm and the Canon RF-S 55-210mm f/5-7.1 IS STM covers 55-210mm — pick the range that matches what you shoot
Where to buy
Check the Canon RF-S 18-45mm f/4.5-6.3 IS STM price on Amazon →
Check the Canon RF-S 55-210mm f/5-7.1 IS STM price on Amazon →
FAQ
What's the difference between the Canon RF-S 18-45mm f/4.5-6.3 IS STM and the Canon RF-S 55-210mm f/5-7.1 IS STM?
The Canon RF-S 18-45mm f/4.5-6.3 IS STM is 18-45mm f/4.5-6.3 zoom, APS-C; the Canon RF-S 55-210mm f/5-7.1 IS STM is 55-210mm f/5-7.1 zoom, APS-C. Both fit the Canon RF mount.
Which is better in low light, the Canon RF-S 18-45mm f/4.5-6.3 IS STM or the Canon RF-S 55-210mm f/5-7.1 IS STM?
The Canon RF-S 18-45mm f/4.5-6.3 IS STM — its f/4.5-6.3 maximum aperture lets in more light and gives more background blur than the f/5-7.1 of the other.
Do the Canon RF-S 18-45mm f/4.5-6.3 IS STM and Canon RF-S 55-210mm f/5-7.1 IS STM fit the same camera?
Yes — both are Canon RF mount lenses, so they fit Canon EOS R series (full-frame R5/R6/R8) and APS-C (R7/R10/R50).
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