Sony FE 85mm f/1.8 vs Sigma 85mm f/1.4 DG DN Art
Sony FE 85mm f/1.8 has more in its favour on paper. The 85mm f/1.4 DG DN Art gathers more light for low light and background blur; the FE 85mm f/1.8 is lighter and cheaper. The Sony lens is the mount maker's own, while the Sigma is a third-party alternative.
Choose the FE 85mm f/1.8 for
- less weight (371g vs 625g)
- a lower price (about £230 vs £590)
Choose the 85mm f/1.4 DG DN Art for
- a brighter maximum aperture (f/1.4, about 0.7 stops more light)
| FE 85mm f/1.8 | 85mm f/1.4 DG DN Art | |
|---|---|---|
| Brand | Sony | Sigma |
| Focal length | 85mm | 85mm |
| Maximum aperture | f/1.8 | f/1.4 |
| Weight | 371 g | 625 g |
| Stabilisation | No | No |
| Weather sealing | Yes | Yes |
| Filter size | 67mm | 77mm |
| Made for | Full frame | Full frame |
| New price | £499 | £1,099 |
| Used at MPB (Sony E / FE) | £194–£259 | £569–£609 |
More lens comparisons
See all Sony E / FE cameras and lenses.
Frequently asked questions
Is the Sony FE 85mm f/1.8 better than the Sigma 85mm f/1.4 DG DN Art?
The FE 85mm f/1.8 offers less weight (371g vs 625g), a lower price (about £230 vs £590); the 85mm f/1.4 DG DN Art offers a brighter maximum aperture (f/1.4, about 0.7 stops more light).
Which is better value, the FE 85mm f/1.8 or the 85mm f/1.4 DG DN Art?
On Sony E / FE, the Sony FE 85mm f/1.8 costs about £230 against about £590 for the Sigma 85mm f/1.4 DG DN Art (MPB used where listed, otherwise new; checked 5 November 2026).
Is f/1.4 worth it over f/1.8?
f/1.4 gathers about 0.7 stops more light, which helps indoors, at night and for background blur. If you mostly shoot in good light, the slower lens is usually lighter and cheaper.
Do both lenses fit the same cameras?
Both are available for Sony E / FE (and other mounts: L-Mount).