Tamron 17-70mm f/2.8 Di III-A VC RXD vs Sony FE 24-50mm f/2.8 G
Both are Sony E 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 | Tamron 17-70mm f/2.8 Di III-A VC RXD | Sony FE 24-50mm f/2.8 G |
|---|---|---|
| Focal length | 17-70mm | 24-50mm |
| Max aperture | f/2.8 | f/2.8 |
| Type | zoom | zoom |
| Coverage | APS-C | full-frame |
| Mount | Sony E | Sony E |
Which should you buy?
- the Tamron 17-70mm f/2.8 Di III-A VC RXD covers 17-70mm and the Sony FE 24-50mm f/2.8 G covers 24-50mm — pick the range that matches what you shoot
- the Sony FE 24-50mm f/2.8 G 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 Sony FE 24-50mm f/2.8 G is first-party (Sony) 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
Tamron 17-70mm f/2.8 Di III-A VC RXDSee price on Amazon
Sony FE 24-50mm f/2.8 GSee price on Amazon
FAQ
What's the difference between the Tamron 17-70mm f/2.8 Di III-A VC RXD and the Sony FE 24-50mm f/2.8 G?
The Tamron 17-70mm f/2.8 Di III-A VC RXD is 17-70mm f/2.8 zoom, APS-C; the Sony FE 24-50mm f/2.8 G is 24-50mm f/2.8 zoom, full-frame. Both fit the Sony E mount.
Do the Tamron 17-70mm f/2.8 Di III-A VC RXD and Sony FE 24-50mm f/2.8 G fit the same camera?
Yes — both are Sony E mount lenses, so they fit Sony a7/a9/a1 (full-frame) and a6000-series (APS-C). 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.
More Sony E comparisons: Sony FE 24-70mm f/2.8 GM II vs Tamron 28-75mm f/2.8 Di III VXD G2 · Tamron 17-70mm f/2.8 Di III-A VC RXD vs Tamron 28-75mm f/2.8 Di III VXD G2 · Tamron 17-70mm f/2.8 Di III-A VC RXD vs Samyang AF 24-60mm f/2.8 FE · Tamron 20-40mm f/2.8 Di III VXD vs Samyang AF 24-60mm f/2.8 FE · all Sony E lenses · all comparisons