FitMyLensthe lens-by-mount reference

Panasonic Lumix S 18mm f/1.8 vs Sigma 24mm f/1.4 DG DN Art

Both are L-Mount 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.

Last verified 2026-06-21 · L-Mount mount · prices change — check the retailer

SpecPanasonic Lumix S 18mm f/1.8Sigma 24mm f/1.4 DG DN Art
Focal length18mm24mm
Max aperturef/1.8f/1.4
Typeprimeprime
Coveragefull-framefull-frame
MountL-MountL-Mount

Which should you buy?

Where to buy

Check the Panasonic Lumix S 18mm f/1.8 price on Amazon →

Check the Sigma 24mm f/1.4 DG DN Art price on Amazon →

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FAQ

What's the difference between the Panasonic Lumix S 18mm f/1.8 and the Sigma 24mm f/1.4 DG DN Art?
The Panasonic Lumix S 18mm f/1.8 is 18mm f/1.8 prime, full-frame; the Sigma 24mm f/1.4 DG DN Art is 24mm f/1.4 prime, full-frame. Both fit the L-Mount mount.

Which is better in low light, the Panasonic Lumix S 18mm f/1.8 or the Sigma 24mm f/1.4 DG DN Art?
The Sigma 24mm f/1.4 DG DN Art — its f/1.4 maximum aperture lets in more light and gives more background blur than the f/1.8 of the other.

Do the Panasonic Lumix S 18mm f/1.8 and Sigma 24mm f/1.4 DG DN Art fit the same camera?
Yes — both are L-Mount mount lenses, so they fit Panasonic Lumix S, Leica SL, and Sigma fp full-frame bodies (the L-Mount Alliance).

More L-Mount comparisons: Panasonic Lumix S PRO 50mm f/1.4 vs Sigma 50mm f/1.4 DG DN Art · Panasonic Lumix S PRO 70-200mm f/2.8 OIS vs Sigma 70-200mm f/2.8 DG DN OS Sports · Sigma 24-70mm f/2.8 DG DN II Art vs Sigma 28-70mm f/2.8 DG DN Contemporary · Panasonic Lumix S PRO 50mm f/1.4 vs Sigma 85mm f/1.4 DG DN Art · all L-Mount lenses · all comparisons