Panasonic Lumix S 85mm f/1.8 vs Panasonic Lumix S PRO 50mm f/1.4

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 85mm f/1.8	Panasonic Lumix S PRO 50mm f/1.4
Focal length	85mm	50mm
Max aperture	f/1.8	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 opens wider (f/1.4) — brighter in low light and more background blur
the Panasonic Lumix S PRO 50mm f/1.4 (50mm) is wider — more in the frame for street and interiors; the Panasonic Lumix S 85mm f/1.8 (85mm) is tighter — more reach and compression for portraits

Where to buy

7artisans 85mm f/1.8 Full Frame Autofocus Lens for Portrait | Compatible with Panasonic LUMIX S Series & Sigma L Mount C

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.

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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FAQ

What's the difference between the Panasonic Lumix S 85mm f/1.8 and the Panasonic Lumix S PRO 50mm f/1.4?
The Panasonic Lumix S 85mm f/1.8 is 85mm f/1.8 prime, full-frame; the Panasonic Lumix S PRO 50mm f/1.4 is 50mm f/1.4 prime, full-frame. Both fit the L-Mount.

Which is better in low light, the Panasonic Lumix S 85mm f/1.8 or the Panasonic Lumix S PRO 50mm f/1.4?
The Panasonic Lumix S PRO 50mm f/1.4 — 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 85mm f/1.8 and Panasonic Lumix S PRO 50mm f/1.4 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 35mm f/1.8 vs Sigma 35mm f/1.4 DG DN Art · Panasonic Lumix S 50mm f/1.8 vs Panasonic Lumix S PRO 50mm f/1.4 · Panasonic Lumix S 85mm f/1.8 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 · all L-Mount lenses · all comparisons

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