Sigma 50mm f/1.4 DG DN Art vs Sony FE 50mm f/1.4 GM

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

Spec	Sigma 50mm f/1.4 DG DN Art	Sony FE 50mm f/1.4 GM
Focal length	50mm	50mm
Max aperture	f/1.4	f/1.4
Type	prime	prime
Coverage	full-frame	full-frame
Mount	Sony E	Sony E

Which should you buy?

the Sony FE 50mm f/1.4 GM is first-party (Sony) for guaranteed full autofocus and in-camera corrections; the Sigma 50mm f/1.4 DG DN Art is third-party — usually the value pick

Where to buy

Sigma 50mm f/1.4 DG DN ArtSee price on Amazon

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Sony FE 50mm f/1.4 GMSee price on Amazon

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FAQ

What's the difference between the Sigma 50mm f/1.4 DG DN Art and the Sony FE 50mm f/1.4 GM?
The Sigma 50mm f/1.4 DG DN Art is 50mm f/1.4 prime, full-frame; the Sony FE 50mm f/1.4 GM is 50mm f/1.4 prime, full-frame. Both fit the Sony E mount.

Do the Sigma 50mm f/1.4 DG DN Art and Sony FE 50mm f/1.4 GM 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:

More Sony E comparisons: Sony FE 40mm f/2.5 G vs Sony FE 50mm f/2.5 G · Sigma 18-50mm f/2.8 DC DN Contemporary vs Sony E 16-55mm f/2.8 G · Sigma 50mm f/1.4 DG DN Art vs Sony Planar T* FE 50mm f/1.4 ZA · Sony FE 135mm f/1.8 GM vs 7Artisans AF 135mm f/1.8 · all Sony E lenses · all comparisons

Sigma 50mm f/1.4 DG DN ArtAffiliate linkSee price on Amazon