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7Artisans AF 135mm f/1.8 vs Sigma 135mm f/1.4 DG Art

Both are L-Mount primes for portrait and telephoto — 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

Spec7Artisans AF 135mm f/1.8Sigma 135mm f/1.4 DG Art
Focal length135mm135mm
Max aperturef/1.8f/1.4
Typeprimeprime
Coveragefull-framefull-frame
MountL-MountL-Mount

Which should you buy?

Where to buy

7artisans AF 135MM F1.8 AutoFocus Full Frame Telephoto Lens for L Mount,Compatible with DC-S1, DC-S1R, DC-S1H,DC-S5,DC-S

7Artisans AF 135mm f/1.8See price on Amazon

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

Sigma 135mm F 1.4 DG for L-Mount

Sigma 135mm f/1.4 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 7Artisans AF 135mm f/1.8 and the Sigma 135mm f/1.4 DG Art?
The 7Artisans AF 135mm f/1.8 is 135mm f/1.8 prime, full-frame; the Sigma 135mm f/1.4 DG Art is 135mm f/1.4 prime, full-frame. Both fit the L-Mount.

Which is better in low light, the 7Artisans AF 135mm f/1.8 or the Sigma 135mm f/1.4 DG Art?
The Sigma 135mm f/1.4 DG 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 7Artisans AF 135mm f/1.8 and Sigma 135mm f/1.4 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:

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7Artisans AF 135mm f/1.8Affiliate linkSee price on Amazon

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