Sony FE 135mm f/1.8 GM vs Viltrox AF 85mm f/1.4 Pro
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.
| Spec | Sony FE 135mm f/1.8 GM | Viltrox AF 85mm f/1.4 Pro |
|---|---|---|
| Focal length | 135mm | 85mm |
| Max aperture | f/1.8 | f/1.4 |
| Type | prime | prime |
| Coverage | full-frame | full-frame |
| Mount | Sony E | Sony E |
Which should you buy?
- the Viltrox AF 85mm f/1.4 Pro opens wider (f/1.4) — brighter in low light and more background blur
- the Viltrox AF 85mm f/1.4 Pro (85mm) is wider — more in the frame for street and interiors; the Sony FE 135mm f/1.8 GM (135mm) is tighter — more reach and compression for portraits
- the Sony FE 135mm f/1.8 GM is first-party (Sony) for guaranteed full autofocus and in-camera corrections; the Viltrox AF 85mm f/1.4 Pro is third-party — usually the value pick
Where to buy
Sony FE 135mm f/1.8 GMSee price on Amazon
Viltrox AF 85mm f/1.4 ProSee price on Amazon
FAQ
What's the difference between the Sony FE 135mm f/1.8 GM and the Viltrox AF 85mm f/1.4 Pro?
The Sony FE 135mm f/1.8 GM is 135mm f/1.8 prime, full-frame; the Viltrox AF 85mm f/1.4 Pro is 85mm f/1.4 prime, full-frame. Both fit the Sony E mount.
Which is better in low light, the Sony FE 135mm f/1.8 GM or the Viltrox AF 85mm f/1.4 Pro?
The Viltrox AF 85mm f/1.4 Pro — 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 Sony FE 135mm f/1.8 GM and Viltrox AF 85mm f/1.4 Pro 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).
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