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Sigma 135mm f/1.4 DG Art vs Viltrox AF 135mm f/1.8 LAB

Both are Sony E 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 · Sony E mount · prices change — check the retailer

SpecSigma 135mm f/1.4 DG ArtViltrox AF 135mm f/1.8 LAB
Focal length135mm135mm
Max aperturef/1.4f/1.8
Typeprimeprime
Coveragefull-framefull-frame
MountSony ESony E

Which should you buy?

Where to buy

135mm F 1.4 DG for Sony E Mount | f/1.4 aperture with HLA autofocus and 135mm focal length for portraits, compression an

Sigma 135mm f/1.4 DG ArtSee price on Amazon

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

Viltrox AF 135mm F1.8 LAB FE Full Frame Lens for Sony e Mount, Dual Floating Focus 135mm f1.8 f/1.8 HyperVCM Motor Telep

Viltrox AF 135mm f/1.8 LABSee 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 Sigma 135mm f/1.4 DG Art and the Viltrox AF 135mm f/1.8 LAB?
The Sigma 135mm f/1.4 DG Art is 135mm f/1.4 prime, full-frame; the Viltrox AF 135mm f/1.8 LAB is 135mm f/1.8 prime, full-frame. Both fit the Sony E mount.

Which is better in low light, the Sigma 135mm f/1.4 DG Art or the Viltrox AF 135mm f/1.8 LAB?
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 Sigma 135mm f/1.4 DG Art and Viltrox AF 135mm f/1.8 LAB fit the same camera?
Yes — both are Sony E mount lenses, so they fit Sony a7/a9/a1 (full-frame) and a6000-series (APS-C).

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

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Sigma 135mm f/1.4 DG ArtAffiliate linkSee price on Amazon

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