Sony FE 135mm f/1.8 GM vs Sigma 85mm f/1.4 DG DN Art
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 | Sony FE 135mm f/1.8 GM | Sigma 85mm f/1.4 DG DN Art |
|---|---|---|
| Focal length | 135mm | 85mm |
| 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 85mm f/1.4 DG DN Art opens wider (f/1.4) — brighter in low light and more background blur
- the Sigma 85mm f/1.4 DG DN Art (85mm) is wider — more in the frame for street and interiors; the Sony FE 135mm f/1.8 GM (135mm) is tighter — more reach and compression for portraits
- the Sony FE 135mm f/1.8 GM is first-party (Sony) for guaranteed full autofocus and in-camera corrections; the Sigma 85mm f/1.4 DG DN Art is third-party — usually the value pick
Where to buy
Check the Sony FE 135mm f/1.8 GM price on Amazon →
Check the Sigma 85mm f/1.4 DG DN Art price on Amazon →
FAQ
What's the difference between the Sony FE 135mm f/1.8 GM and the Sigma 85mm f/1.4 DG DN Art?
The Sony FE 135mm f/1.8 GM is 135mm f/1.8 prime, full-frame; the Sigma 85mm f/1.4 DG DN Art is 85mm f/1.4 prime, full-frame. Both fit the Sony E mount.
Which is better in low light, the Sony FE 135mm f/1.8 GM or the Sigma 85mm f/1.4 DG DN Art?
The Sigma 85mm f/1.4 DG DN 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 135mm f/1.8 GM and Sigma 85mm f/1.4 DG DN 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 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