Sony FE 14mm f/1.8 GM vs Sigma 14mm f/1.4 DG Art
Both are Sony E mount primes for wide-angle and astrophotography — here's how the specs differ and which to pick. Every spec is from the manufacturer's own catalog.
| Spec | Sony FE 14mm f/1.8 GM | Sigma 14mm f/1.4 DG Art |
|---|---|---|
| Focal length | 14mm | 14mm |
| Max aperture | f/1.8 | f/1.4 |
| Type | prime | prime |
| Coverage | full-frame | full-frame |
| Mount | Sony E | Sony E |
Which should you buy?
- the Sigma 14mm f/1.4 DG Art opens wider (f/1.4) — brighter in low light and more background blur
- the Sony FE 14mm f/1.8 GM is first-party (Sony) for guaranteed full autofocus and in-camera corrections; the Sigma 14mm f/1.4 DG Art is third-party — usually the value pick
Where to buy
Sony FE 14mm f/1.8 GMSee price on Amazon
Sigma 14mm f/1.4 DG ArtSee price on Amazon
FAQ
What's the difference between the Sony FE 14mm f/1.8 GM and the Sigma 14mm f/1.4 DG Art?
The Sony FE 14mm f/1.8 GM is 14mm f/1.8 prime, full-frame; the Sigma 14mm f/1.4 DG Art is 14mm f/1.4 prime, full-frame. Both fit the Sony E mount.
Which is better in low light, the Sony FE 14mm f/1.8 GM or the Sigma 14mm f/1.4 DG Art?
The Sigma 14mm f/1.4 DG Art — its f/1.4 maximum aperture lets in more light and gives more background blur than the f/1.8 of the other.
Do the Sony FE 14mm f/1.8 GM and Sigma 14mm f/1.4 DG Art 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 24-70mm f/2.8 GM II vs Tamron 17-70mm f/2.8 Di III-A VC RXD · Sony FE 24-70mm f/2.8 GM II vs Tamron 28-75mm f/2.8 Di III VXD G2 · Sony FE 14mm f/1.8 GM vs Meike AF 24mm f/1.4 MIX · Sony FE 20-70mm f/4 G vs Tamron 20-40mm f/2.8 Di III VXD · all Sony E lenses · all comparisons