Viltrox AF 40mm f/2.5 vs Sony Sonnar T* FE 35mm f/2.8 ZA
Both are Sony E mount primes for everyday and compact — here's how the specs differ and which to pick. Every spec is from the manufacturer's own catalog.
| Spec | Viltrox AF 40mm f/2.5 | Sony Sonnar T* FE 35mm f/2.8 ZA |
|---|---|---|
| Focal length | 40mm | 35mm |
| Max aperture | f/2.5 | f/2.8 |
| Type | prime | prime |
| Coverage | full-frame | full-frame |
| Mount | Sony E | Sony E |
Which should you buy?
- the Viltrox AF 40mm f/2.5 opens wider (f/2.5) — brighter in low light and more background blur
- the Sony Sonnar T* FE 35mm f/2.8 ZA (35mm) is wider — more in the frame for street and interiors; the Viltrox AF 40mm f/2.5 (40mm) is tighter — more reach and compression for portraits
- the Sony Sonnar T* FE 35mm f/2.8 ZA 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
Viltrox AF 40mm f/2.5See price on Amazon
Sony Sonnar T* FE 35mm f/2.8 ZASee price on Amazon
FAQ
What's the difference between the Viltrox AF 40mm f/2.5 and the Sony Sonnar T* FE 35mm f/2.8 ZA?
The Viltrox AF 40mm f/2.5 is 40mm f/2.5 prime, full-frame; the Sony Sonnar T* FE 35mm f/2.8 ZA is 35mm f/2.8 prime, full-frame. Both fit the Sony E mount.
Which is better in low light, the Viltrox AF 40mm f/2.5 or the Sony Sonnar T* FE 35mm f/2.8 ZA?
The Viltrox AF 40mm f/2.5 — its f/2.5 maximum aperture lets in more light and gives more background blur than the f/2.8 of the other.
Do the Viltrox AF 40mm f/2.5 and Sony Sonnar T* FE 35mm f/2.8 ZA 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: Tamron 28-75mm f/2.8 Di III VXD G2 vs Sony FE 28-60mm f/4-5.6 · Sigma 50mm f/1.4 DG DN Art vs Sony FE 50mm f/1.4 GM · Viltrox AF 50mm f/2.0 vs Sigma 65mm f/2 DG DN Contemporary · Samyang AF 35mm f/1.8 FE vs Yongnuo YN 33mm f/1.4 DA DSM Pro · all Sony E lenses · all comparisons