Sony FE 50mm 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.
| Spec | Sony FE 50mm f/2.5 G | Viltrox AF 40mm f/2.5 |
|---|---|---|
| Focal length | 50mm | 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 Viltrox AF 40mm f/2.5 (40mm) is wider — more in the frame for street and interiors; the Sony FE 50mm f/2.5 G (50mm) is tighter — more reach and compression for portraits
- the Sony FE 50mm 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
Check the Sony FE 50mm f/2.5 G price on Amazon →
Check the Viltrox AF 40mm f/2.5 price on Amazon →
FAQ
What's the difference between the Sony FE 50mm f/2.5 G and the Viltrox AF 40mm f/2.5?
The Sony FE 50mm f/2.5 G is 50mm 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 50mm 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).
More Sony E comparisons: Sigma 16mm f/1.4 DC DN Contemporary vs Sony E 15mm f/1.4 G · Sigma 50mm f/1.4 DG DN Art vs Sony FE 50mm f/1.4 GM · Sony FE 40mm f/2.5 G vs Sony FE 50mm f/2.5 G · Sony FE 20-70mm f/4 G vs Tamron 20-40mm f/2.8 Di III VXD · all Sony E lenses · all comparisons