Sigma 50mm f/1.4 DG DN Art vs Sony FE 50mm f/1.2 GM
Both are Sony E mount primes for portrait and low-light — here's how the specs differ and which to pick. Every spec is from the manufacturer's own catalog.
| Spec | Sigma 50mm f/1.4 DG DN Art | Sony FE 50mm f/1.2 GM |
|---|---|---|
| Focal length | 50mm | 50mm |
| Max aperture | f/1.4 | f/1.2 |
| Type | prime | prime |
| Coverage | full-frame | full-frame |
| Mount | Sony E | Sony E |
Which should you buy?
- the Sony FE 50mm f/1.2 GM opens wider (f/1.2) — brighter in low light and more background blur
- the Sony FE 50mm f/1.2 GM is first-party (Sony) for guaranteed full autofocus and in-camera corrections; the Sigma 50mm f/1.4 DG DN Art is third-party — usually the value pick
Where to buy
Sigma 50mm f/1.4 DG DN ArtSee price on Amazon
Sony FE 50mm f/1.2 GMSee price on Amazon
FAQ
What's the difference between the Sigma 50mm f/1.4 DG DN Art and the Sony FE 50mm f/1.2 GM?
The Sigma 50mm f/1.4 DG DN Art is 50mm f/1.4 prime, full-frame; the Sony FE 50mm f/1.2 GM is 50mm f/1.2 prime, full-frame. Both fit the Sony E mount.
Which is better in low light, the Sigma 50mm f/1.4 DG DN Art or the Sony FE 50mm f/1.2 GM?
The Sony FE 50mm f/1.2 GM — its f/1.2 maximum aperture lets in more light and gives more background blur than the f/1.4 of the other.
Do the Sigma 50mm f/1.4 DG DN Art and Sony FE 50mm f/1.2 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: Sigma 18-50mm f/2.8 DC DN Contemporary vs Sony E 16-55mm f/2.8 G · Sigma 30mm f/1.4 DC DN Contemporary vs Sony FE 35mm f/1.4 GM · Sony FE 14mm f/1.8 GM vs Laowa 15mm f/2 Zero-D FE · Sony FE 20-70mm f/4 G vs Tamron 20-40mm f/2.8 Di III VXD · all Sony E lenses · all comparisons