Tamron 28-75mm f/2.8 Di III VXD G2 vs Sony FE 28-70mm f/2 GM
Both are Sony E mount zooms for pro standard zoom and everyday — here's how the specs differ and which to pick. Every spec is from the manufacturer's own catalog.
| Spec | Tamron 28-75mm f/2.8 Di III VXD G2 | Sony FE 28-70mm f/2 GM |
|---|---|---|
| Focal length | 28-75mm | 28-70mm |
| Max aperture | f/2.8 | f/2 |
| Type | zoom | zoom |
| Coverage | full-frame | full-frame |
| Mount | Sony E | Sony E |
Which should you buy?
- the Sony FE 28-70mm f/2 GM opens wider (f/2) — brighter in low light and more background blur
- the Tamron 28-75mm f/2.8 Di III VXD G2 covers 28-75mm and the Sony FE 28-70mm f/2 GM covers 28-70mm — pick the range that matches what you shoot
- the Sony FE 28-70mm f/2 GM is first-party (Sony) for guaranteed full autofocus and in-camera corrections; the Tamron 28-75mm f/2.8 Di III VXD G2 is third-party — usually the value pick
Where to buy
Check the Tamron 28-75mm f/2.8 Di III VXD G2 price on Amazon →
Check the Sony FE 28-70mm f/2 GM price on Amazon →
FAQ
What's the difference between the Tamron 28-75mm f/2.8 Di III VXD G2 and the Sony FE 28-70mm f/2 GM?
The Tamron 28-75mm f/2.8 Di III VXD G2 is 28-75mm f/2.8 zoom, full-frame; the Sony FE 28-70mm f/2 GM is 28-70mm f/2 zoom, full-frame. Both fit the Sony E mount.
Which is better in low light, the Tamron 28-75mm f/2.8 Di III VXD G2 or the Sony FE 28-70mm f/2 GM?
The Sony FE 28-70mm f/2 GM — its f/2 maximum aperture lets in more light and gives more background blur than the f/2.8 of the other.
Do the Tamron 28-75mm f/2.8 Di III VXD G2 and Sony FE 28-70mm f/2 GM 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).
More Sony E comparisons: Sony FE 50mm f/1.4 GM vs Sigma 50mm f/1.4 DG DN Art · Sony FE 40mm f/2.5 G vs Sony FE 50mm f/2.5 G · Sony E 15mm f/1.4 G vs Sigma 16mm f/1.4 DC DN Contemporary · Sony FE 20-70mm f/4 G vs Tamron 20-40mm f/2.8 Di III VXD · all Sony E lenses · all comparisons