Panasonic Lumix S 24mm f/1.8 vs Sigma 20mm f/2 DG Contemporary
Both are L-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 | Panasonic Lumix S 24mm f/1.8 | Sigma 20mm f/2 DG Contemporary |
|---|---|---|
| Focal length | 24mm | 20mm |
| Max aperture | f/1.8 | f/2 |
| Type | prime | prime |
| Coverage | full-frame | full-frame |
| Mount | L-Mount | L-Mount |
Which should you buy?
- the Panasonic Lumix S 24mm f/1.8 opens wider (f/1.8) — brighter in low light and more background blur
- the Sigma 20mm f/2 DG Contemporary (20mm) is wider — more in the frame for street and interiors; the Panasonic Lumix S 24mm f/1.8 (24mm) is tighter — more reach and compression for portraits
Where to buy
Panasonic Lumix S 24mm f/1.8See price on Amazon
Sigma 20mm f/2 DG ContemporarySee price on Amazon
FAQ
What's the difference between the Panasonic Lumix S 24mm f/1.8 and the Sigma 20mm f/2 DG Contemporary?
The Panasonic Lumix S 24mm f/1.8 is 24mm f/1.8 prime, full-frame; the Sigma 20mm f/2 DG Contemporary is 20mm f/2 prime, full-frame. Both fit the L-Mount.
Which is better in low light, the Panasonic Lumix S 24mm f/1.8 or the Sigma 20mm f/2 DG Contemporary?
The Panasonic Lumix S 24mm f/1.8 — its f/1.8 maximum aperture lets in more light and gives more background blur than the f/2 of the other.
Do the Panasonic Lumix S 24mm f/1.8 and Sigma 20mm f/2 DG Contemporary fit the same camera?
Yes — both are L-Mount lenses, so they fit Panasonic Lumix S, Leica SL, and Sigma fp full-frame bodies (the L-Mount Alliance).
More L-Mount comparisons: Sigma 24-70mm f/2.8 DG DN II Art vs Sigma 28-70mm f/2.8 DG DN Contemporary · Sigma 24-70mm f/2.8 DG DN II Art vs Sigma 18-50mm f/2.8 DC DN Contemporary · Panasonic Lumix S 35mm f/1.8 vs Sigma 35mm f/1.2 DG II Art · Panasonic Lumix S 70-300mm f/4.5-5.6 Macro OIS vs Panasonic Lumix S PRO 70-200mm f/4 OIS · all L-Mount lenses · all comparisons