Sigma 35mm f/1.4 DG DN Art vs Leica APO-Summicron-SL 35mm f/2 ASPH
Sigma 35mm f/1.4 DG DN Art has more in its favour on paper. The 35mm f/1.4 DG DN Art gathers more light for low light and background blur; the APO-Summicron-SL 35mm f/2 ASPH is the alternative.
Choose the 35mm f/1.4 DG DN Art for
- a brighter maximum aperture (f/1.4, about 1.0 stops more light)
- less weight (640g vs 720g)
- a lower price (about £849 vs £2,000)
Choose the APO-Summicron-SL 35mm f/2 ASPH for
- Similar specs
| 35mm f/1.4 DG DN Art | APO-Summicron-SL 35mm f/2 ASPH | |
|---|---|---|
| Brand | Sigma | Leica |
| Focal length | 35mm | 35mm |
| Maximum aperture | f/1.4 | f/2 |
| Weight | 640 g | 720 g |
| Stabilisation | No | No |
| Weather sealing | Yes | Yes |
| Filter size | 67mm | 67mm |
| Made for | Full frame | Full frame |
| New price | £849 | £4,500 |
| Used at MPB (L-Mount) | None listed | £1,899–£2,109 |
More lens comparisons
See all L-Mount cameras and lenses.
Frequently asked questions
Is the Sigma 35mm f/1.4 DG DN Art better than the Leica APO-Summicron-SL 35mm f/2 ASPH?
The 35mm f/1.4 DG DN Art offers a brighter maximum aperture (f/1.4, about 1.0 stops more light), less weight (640g vs 720g), a lower price (about £849 vs £2,000); the APO-Summicron-SL 35mm f/2 ASPH offers similar specs.
Which is better value, the 35mm f/1.4 DG DN Art or the APO-Summicron-SL 35mm f/2 ASPH?
On L-Mount, the Sigma 35mm f/1.4 DG DN Art costs about £849 against about £2,000 for the Leica APO-Summicron-SL 35mm f/2 ASPH (MPB used where listed, otherwise new; checked 5 November 2026).
Is f/1.4 worth it over f/2?
f/1.4 gathers about 1.0 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 L-Mount (and other mounts: Sony E / FE).