Canon RF 24-105mm f/4-7.1 IS STM vs Canon RF 28-70mm f/2.8 IS STM
Both are Canon RF mount zooms for everyday and wedding & event — here's how the specs differ and which to pick. Every spec is from the manufacturer's own catalog.
| Spec | Canon RF 24-105mm f/4-7.1 IS STM | Canon RF 28-70mm f/2.8 IS STM |
|---|---|---|
| Focal length | 24-105mm | 28-70mm |
| Max aperture | f/4-7.1 | f/2.8 |
| Type | zoom | zoom |
| Coverage | full-frame | full-frame |
| Mount | Canon RF | Canon RF |
Which should you buy?
- the Canon RF 28-70mm f/2.8 IS STM opens wider (f/2.8) — brighter in low light and more background blur
- the Canon RF 24-105mm f/4-7.1 IS STM covers 24-105mm and the Canon RF 28-70mm f/2.8 IS STM covers 28-70mm — pick the range that matches what you shoot
Where to buy
Check the Canon RF 24-105mm f/4-7.1 IS STM price on Amazon →
Check the Canon RF 28-70mm f/2.8 IS STM price on Amazon →
FAQ
What's the difference between the Canon RF 24-105mm f/4-7.1 IS STM and the Canon RF 28-70mm f/2.8 IS STM?
The Canon RF 24-105mm f/4-7.1 IS STM is 24-105mm f/4-7.1 zoom, full-frame; the Canon RF 28-70mm f/2.8 IS STM is 28-70mm f/2.8 zoom, full-frame. Both fit the Canon RF mount.
Which is better in low light, the Canon RF 24-105mm f/4-7.1 IS STM or the Canon RF 28-70mm f/2.8 IS STM?
The Canon RF 28-70mm f/2.8 IS STM — its f/2.8 maximum aperture lets in more light and gives more background blur than the f/4-7.1 of the other.
Do the Canon RF 24-105mm f/4-7.1 IS STM and Canon RF 28-70mm f/2.8 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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