Sony FE 24-50mm f/2.8 G vs Sigma 28-45mm f/1.8 DG DN Art
Sony FE 24-50mm f/2.8 G has more in its favour on paper. The 28-45mm f/1.8 DG DN Art gathers more light for low light and background blur; the FE 24-50mm f/2.8 G is lighter and the alternative. The Sony lens is the mount maker's own, while the Sigma is a third-party alternative.
Choose the FE 24-50mm f/2.8 G for
- less weight (440g vs 960g)
- more reach (50mm vs 45mm)
- a wider starting focal length (24mm vs 28mm)
Choose the 28-45mm f/1.8 DG DN Art for
- a brighter maximum aperture (f/1.8, about 1.3 stops more light)
- a lower price (about £1,020 vs £1,049)
| FE 24-50mm f/2.8 G | 28-45mm f/1.8 DG DN Art | |
|---|---|---|
| Brand | Sony | Sigma |
| Focal length | 24-50mm | 28-45mm |
| Maximum aperture | f/2.8 | f/1.8 |
| Weight | 440 g | 960 g |
| Stabilisation | No | No |
| Weather sealing | Yes | Yes |
| Filter size | 67mm | 82mm |
| Made for | Full frame | Full frame |
| New price | £1,049 | £1,199 |
| Used at MPB (Sony E / FE) | None listed | £979–£1,059 |
Frequently asked questions
Is the Sony FE 24-50mm f/2.8 G better than the Sigma 28-45mm f/1.8 DG DN Art?
The FE 24-50mm f/2.8 G offers less weight (440g vs 960g), more reach (50mm vs 45mm), a wider starting focal length (24mm vs 28mm); the 28-45mm f/1.8 DG DN Art offers a brighter maximum aperture (f/1.8, about 1.3 stops more light), a lower price (about £1,020 vs £1,049).
Which is better value, the FE 24-50mm f/2.8 G or the 28-45mm f/1.8 DG DN Art?
On Sony E / FE, the Sigma 28-45mm f/1.8 DG DN Art costs about £1,020 against about £1,049 for the Sony FE 24-50mm f/2.8 G (MPB used where listed, otherwise new; checked 5 November 2026).
Is f/1.8 worth it over f/2.8?
f/1.8 gathers about 1.3 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).