Panasonic Lumix S PRO 50mm f/1.4 vs Sigma 50mm f/1.4 DG DN Art

Both are L-Mount primes for portrait and low-light — here's how the specs differ and which to pick. Every spec is from the manufacturer's own catalog.

Last verified 2026-09-01 · L-Mount · prices change — check the retailer

Which should you buy?

Where to buy

Panasonic Lumix S PRO 50mm f/1.4See price on Amazon Amazon has no new-stock listing for this one right now — this button runs an Amazon search for it rather than opening a product page.

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Sigma 50mm f/1.4 DG DN ArtSee price on Amazon

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FAQ

What's the difference between the Panasonic Lumix S PRO 50mm f/1.4 and the Sigma 50mm f/1.4 DG DN Art?
The Panasonic Lumix S PRO 50mm f/1.4 is 50mm f/1.4 prime, full-frame; the Sigma 50mm f/1.4 DG DN Art is 50mm f/1.4 prime, full-frame. Both fit the L-Mount.

Do the Panasonic Lumix S PRO 50mm f/1.4 and Sigma 50mm f/1.4 DG DN Art 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 · Sigma 28-45mm f/1.8 DG DN Art vs Sigma 17-40mm f/1.8 DC Art · Panasonic Lumix S 18mm f/1.8 vs Sigma 24mm f/1.4 DG DN Art · all L-Mount lenses · all comparisons

Sigma 50mm f/1.4 DG DN ArtAffiliate linkSee price on Amazon