fitmylensthe lens-by-mount reference
Choose camera

Panasonic Lumix S 85mm f/1.8 vs Sigma 85mm f/1.2 DG 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

SpecPanasonic Lumix S 85mm f/1.8Sigma 85mm f/1.2 DG Art
Focal length85mm85mm
Max aperturef/1.8f/1.2
Typeprimeprime
Coveragefull-framefull-frame
MountL-MountL-Mount

Which should you buy?

Where to buy

PANASONIC LUMIX S Series Camera Lens, 85mm F1.8 L Mount Interchangeable Lens for Mirrorless Full Frame Digital Cameras,

Panasonic Lumix S 85mm f/1.8See price on Amazon

Amazon links are affiliate links — we may earn a commission at no extra cost to you.

Sigma 85mm F/1.2 DG | Art | Large-Aperture Medium-Telephoto Lens for Full-Frame Cameras

Sigma 85mm f/1.2 DG ArtSee price on Amazon

As an Amazon Associate we earn from qualifying purchases, at no extra cost to you. Affiliate links never affect our specs or which lenses we compare.

FAQ

What's the difference between the Panasonic Lumix S 85mm f/1.8 and the Sigma 85mm f/1.2 DG Art?
The Panasonic Lumix S 85mm f/1.8 is 85mm f/1.8 prime, full-frame; the Sigma 85mm f/1.2 DG Art is 85mm f/1.2 prime, full-frame. Both fit the L-Mount.

Which is better in low light, the Panasonic Lumix S 85mm f/1.8 or the Sigma 85mm f/1.2 DG Art?
The Sigma 85mm f/1.2 DG Art — its f/1.2 maximum aperture lets in more light and gives more background blur than the f/1.8 of the other.

Do the Panasonic Lumix S 85mm f/1.8 and Sigma 85mm f/1.2 DG 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: Sigma 28-70mm f/2.8 DG DN Contemporary vs Sigma 28-45mm f/1.8 DG DN Art · Leica SL 50mm f/2 APO-Summicron vs Sigma 50mm f/1.2 DG DN Art · Panasonic Lumix S PRO 16-35mm f/4 vs Panasonic Lumix S 14-28mm f/4-5.6 Macro · Panasonic Lumix S PRO 16-35mm f/4 vs Samyang AF 14-24mm f/2.8 L · all L-Mount lenses · all comparisons

Panasonic Lumix S 85mm f/1.8Affiliate linkSee price on Amazon

Find FitMyLens in your Google results more often: