Sigma 28-45mm f/1.8 DG DN Art vs Sony FE 28-70mm f/2 GM
Both are Sony E mount zooms for pro standard zoom and low-light — here's how the specs differ and which to pick. Every spec is from the manufacturer's own catalog.
| Spec | Sigma 28-45mm f/1.8 DG DN Art | Sony FE 28-70mm f/2 GM |
|---|---|---|
| Focal length | 28-45mm | 28-70mm |
| Max aperture | f/1.8 | f/2 |
| Type | zoom | zoom |
| Coverage | full-frame | full-frame |
| Mount | Sony E | Sony E |
Which should you buy?
- the Sigma 28-45mm f/1.8 DG DN Art opens wider (f/1.8) — brighter in low light and more background blur
- the Sigma 28-45mm f/1.8 DG DN Art covers 28-45mm 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 Sigma 28-45mm f/1.8 DG DN Art is third-party — usually the value pick
Where to buy
Sigma 28-45mm f/1.8 DG DN ArtSee price on Amazon
Sony FE 28-70mm f/2 GMSee price on Amazon
FAQ
What's the difference between the Sigma 28-45mm f/1.8 DG DN Art and the Sony FE 28-70mm f/2 GM?
The Sigma 28-45mm f/1.8 DG DN Art is 28-45mm f/1.8 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 Sigma 28-45mm f/1.8 DG DN Art or the Sony FE 28-70mm f/2 GM?
The Sigma 28-45mm f/1.8 DG DN Art — its f/1.8 maximum aperture lets in more light and gives more background blur than the f/2 of the other.
Do the Sigma 28-45mm f/1.8 DG DN Art 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: Viltrox AF 16mm f/1.8 vs Laowa 9mm f/2.8 Zero-D · Samyang AF 24mm f/1.8 FE vs Samyang AF 14mm f/2.8 FE · Sony E 10-20mm f/4 PZ G vs Tamron 11-20mm f/2.8 Di III-A RXD · Sony E 10-20mm f/4 PZ G vs Tamron 20-40mm f/2.8 Di III VXD · all Sony E lenses · all comparisons