Sigma 20mm f/1.4 DG DN Art vs Samyang AF 12mm f/2 E
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 | Sigma 20mm f/1.4 DG DN Art | Samyang AF 12mm f/2 E |
|---|---|---|
| Focal length | 20mm | 12mm |
| Max aperture | f/1.4 | f/2 |
| Type | prime | prime |
| Coverage | full-frame | APS-C |
| Mount | Sony E | Sony E |
Which should you buy?
- the Sigma 20mm f/1.4 DG DN Art opens wider (f/1.4) — brighter in low light and more background blur
- the Samyang AF 12mm f/2 E (12mm) is wider — more in the frame for street and interiors; the Sigma 20mm f/1.4 DG DN Art (20mm) is tighter — more reach and compression for portraits
- the Sigma 20mm f/1.4 DG DN Art covers full-frame (also works on APS-C bodies); the Samyang AF 12mm f/2 E is APS-C-only — it won't fill a full-frame sensor
Where to buy
Sigma 20mm f/1.4 DG DN ArtSee price on Amazon
Samyang AF 12mm f/2 ESee price on Amazon
FAQ
What's the difference between the Sigma 20mm f/1.4 DG DN Art and the Samyang AF 12mm f/2 E?
The Sigma 20mm f/1.4 DG DN Art is 20mm f/1.4 prime, full-frame; the Samyang AF 12mm f/2 E is 12mm f/2 prime, APS-C. Both fit the Sony E mount.
Which is better in low light, the Sigma 20mm f/1.4 DG DN Art or the Samyang AF 12mm f/2 E?
The Sigma 20mm f/1.4 DG DN Art — its f/1.4 maximum aperture lets in more light and gives more background blur than the f/2 of the other.
Do the Sigma 20mm f/1.4 DG DN Art and Samyang AF 12mm f/2 E 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). Note the Samyang AF 12mm f/2 E is APS-C-only and won't fill a full-frame sensor.
More Sony E comparisons: Sony FE 14mm f/1.8 GM vs Sony FE 24mm f/1.4 GM · Viltrox AF 16mm f/1.8 vs Samyang AF 14mm f/2.8 FE · Sigma 50mm f/1.2 DG DN Art vs Viltrox AF 55mm f/1.8 EVO · Tamron 28-200mm f/2.8-5.6 Di III RXD vs Tamron 28-300mm f/4-7.1 Di III VC VXD · all Sony E lenses · all comparisons