Canon RF 24-105mm f/2.8 L IS USM vs Tamron 17-70mm f/2.8 Di III-A VC RXD
Both are Canon RF mount zooms for everyday and travel — 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/2.8 L IS USM | Tamron 17-70mm f/2.8 Di III-A VC RXD |
|---|---|---|
| Focal length | 24-105mm | 17-70mm |
| Max aperture | f/2.8 | f/2.8 |
| Type | zoom | zoom |
| Coverage | full-frame | APS-C |
| Mount | Canon RF | Canon RF |
Which should you buy?
- the Canon RF 24-105mm f/2.8 L IS USM covers 24-105mm and the Tamron 17-70mm f/2.8 Di III-A VC RXD covers 17-70mm — pick the range that matches what you shoot
- the Canon RF 24-105mm f/2.8 L IS USM covers full-frame (also works on APS-C bodies); the Tamron 17-70mm f/2.8 Di III-A VC RXD is APS-C-only — it won't fill a full-frame sensor
- the Canon RF 24-105mm f/2.8 L IS USM is first-party (Canon) for guaranteed full autofocus and in-camera corrections; the Tamron 17-70mm f/2.8 Di III-A VC RXD is third-party — usually the value pick
Where to buy
Check the Canon RF 24-105mm f/2.8 L IS USM price on Amazon →
Check the Tamron 17-70mm f/2.8 Di III-A VC RXD price on Amazon →
FAQ
What's the difference between the Canon RF 24-105mm f/2.8 L IS USM and the Tamron 17-70mm f/2.8 Di III-A VC RXD?
The Canon RF 24-105mm f/2.8 L IS USM is 24-105mm f/2.8 zoom, full-frame; the Tamron 17-70mm f/2.8 Di III-A VC RXD is 17-70mm f/2.8 zoom, APS-C. Both fit the Canon RF mount.
Do the Canon RF 24-105mm f/2.8 L IS USM and Tamron 17-70mm f/2.8 Di III-A VC RXD 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). Note the Tamron 17-70mm f/2.8 Di III-A VC RXD is APS-C-only and won't fill a full-frame sensor.
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