Sony FE 40mm f/2.5 G vs Viltrox AF 40mm f/2.5

Both are Sony E mount primes for street and everyday — 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	Sony FE 40mm f/2.5 G	Viltrox AF 40mm f/2.5
Focal length	40mm	40mm
Max aperture	f/2.5	f/2.5
Type	prime	prime
Coverage	full-frame	full-frame
Mount	Sony E	Sony E

Which should you buy?

the Sony FE 40mm f/2.5 G is first-party (Sony) for guaranteed full autofocus and in-camera corrections; the Viltrox AF 40mm f/2.5 is third-party — usually the value pick

Where to buy

Sony FE 40mm f/2.5 GSee price on Amazon

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VILTROX 40mm F2.5 FE Mount Lens, AF 40mm f2.5 E Full Frame Auto Focus Lens

Viltrox AF 40mm f/2.5See price on Amazon

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FAQ

What's the difference between the Sony FE 40mm f/2.5 G and the Viltrox AF 40mm f/2.5?
The Sony FE 40mm f/2.5 G is 40mm f/2.5 prime, full-frame; the Viltrox AF 40mm f/2.5 is 40mm f/2.5 prime, full-frame. Both fit the Sony E mount.

Do the Sony FE 40mm f/2.5 G and Viltrox AF 40mm f/2.5 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: Sigma 30mm f/1.4 DC DN Contemporary vs Sony FE 35mm f/1.4 GM · Sigma 35mm f/1.4 DG DN Art vs Sony FE 35mm f/1.4 GM · Sony FE 50mm f/1.8 vs TTArtisan AF 56mm f/1.8 E · Sony FE 50mm f/1.8 vs 7Artisans AF 50mm f/1.8 · all Sony E lenses · all comparisons

Sony FE 40mm f/2.5 GAffiliate linkSee price on Amazon