Panasonic Lumix S PRO 50mm f/1.4 vs Sigma 85mm 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

Spec	Panasonic Lumix S PRO 50mm f/1.4	Sigma 85mm f/1.4 DG DN Art
Focal length	50mm	85mm
Max aperture	f/1.4	f/1.4
Type	prime	prime
Coverage	full-frame	full-frame
Mount	L-Mount	L-Mount

Which should you buy?

the Panasonic Lumix S PRO 50mm f/1.4 (50mm) is wider — more in the frame for street and interiors; the Sigma 85mm f/1.4 DG DN Art (85mm) is tighter — more reach and compression for portraits

Where to buy

Panasonic LUMIX S PRO 50mm F1.4 Lens, Full-Frame L Mount, LEICA Certified, Dust/Splash/Freeze-Resistant for Panasonic LU

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 85mm 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 85mm 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 85mm f/1.4 DG DN Art is 85mm f/1.4 prime, full-frame. Both fit the L-Mount.

Do the Panasonic Lumix S PRO 50mm f/1.4 and Sigma 85mm 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).

Citing these specs? Go ahead — manufacturer data, last verified 2026-09-01. Copy a ready-made reference:

More L-Mount comparisons: Panasonic Lumix S 20-60mm f/3.5-5.6 vs Panasonic Lumix S 28-200mm f/4-7.1 Macro OIS · Panasonic Lumix S 24-105mm f/4 Macro OIS vs Panasonic Lumix S 28-200mm f/4-7.1 Macro OIS · 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 · all L-Mount lenses · all comparisons

Sigma 85mm f/1.4 DG DN ArtAffiliate linkSee price on Amazon