Viltrox AF 50mm f/2.0 vs Yongnuo YN 50mm f/1.8S DA DSM
Both are Sony E mount primes for standard prime and portrait — here's how the specs differ and which to pick. Every spec is from the manufacturer's own catalog.
| Spec | Viltrox AF 50mm f/2.0 | Yongnuo YN 50mm f/1.8S DA DSM |
|---|---|---|
| Focal length | 50mm | 50mm |
| Max aperture | f/2.0 | f/1.8 |
| Type | prime | prime |
| Coverage | full-frame | APS-C |
| Mount | Sony E | Sony E |
Which should you buy?
- the Yongnuo YN 50mm f/1.8S DA DSM opens wider (f/1.8) — brighter in low light and more background blur
- the Viltrox AF 50mm f/2.0 covers full-frame (also works on APS-C bodies); the Yongnuo YN 50mm f/1.8S DA DSM is APS-C-only — it won't fill a full-frame sensor
Where to buy
Viltrox AF 50mm f/2.0See price on Amazon
Yongnuo YN 50mm f/1.8S DA DSMSee price on Amazon
FAQ
What's the difference between the Viltrox AF 50mm f/2.0 and the Yongnuo YN 50mm f/1.8S DA DSM?
The Viltrox AF 50mm f/2.0 is 50mm f/2.0 prime, full-frame; the Yongnuo YN 50mm f/1.8S DA DSM is 50mm f/1.8 prime, APS-C. Both fit the Sony E mount.
Which is better in low light, the Viltrox AF 50mm f/2.0 or the Yongnuo YN 50mm f/1.8S DA DSM?
The Yongnuo YN 50mm f/1.8S DA DSM — its f/1.8 maximum aperture lets in more light and gives more background blur than the f/2.0 of the other.
Do the Viltrox AF 50mm f/2.0 and Yongnuo YN 50mm f/1.8S DA DSM 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). Note the Yongnuo YN 50mm f/1.8S DA DSM is APS-C-only and won't fill a full-frame sensor.
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