Canon RF 28-70mm f/2 L USM vs Canon RF 28-70mm f/2.8 IS STM
Both are Canon RF mount zooms for pro standard zoom 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 28-70mm f/2 L USM | Canon RF 28-70mm f/2.8 IS STM |
|---|---|---|
| Focal length | 28-70mm | 28-70mm |
| Max aperture | f/2 | 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 L USM opens wider (f/2) — brighter in low light and more background blur
Where to buy
Canon RF 28-70mm f/2 L USMSee price on Amazon
Canon RF 28-70mm f/2.8 IS STMSee price on Amazon
FAQ
What's the difference between the Canon RF 28-70mm f/2 L USM and the Canon RF 28-70mm f/2.8 IS STM?
The Canon RF 28-70mm f/2 L USM is 28-70mm f/2 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 28-70mm f/2 L USM or the Canon RF 28-70mm f/2.8 IS STM?
The Canon RF 28-70mm f/2 L USM — its f/2 maximum aperture lets in more light and gives more background blur than the f/2.8 of the other.
Do the Canon RF 28-70mm f/2 L USM 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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