Nikon NIKKOR Z 20mm f/1.8 S vs Viltrox AF 14mm f/4.0 Air
Both are Nikon Z mount primes for wide-angle and astrophotography — here's how the specs differ and which to pick. Every spec is from the manufacturer's own catalog.
| Spec | Nikon NIKKOR Z 20mm f/1.8 S | Viltrox AF 14mm f/4.0 Air |
|---|---|---|
| Focal length | 20mm | 14mm |
| Max aperture | f/1.8 | f/4.0 |
| Type | prime | prime |
| Coverage | full-frame | full-frame |
| Mount | Nikon Z | Nikon Z |
Which should you buy?
- the Nikon NIKKOR Z 20mm f/1.8 S opens wider (f/1.8) — brighter in low light and more background blur
- the Viltrox AF 14mm f/4.0 Air (14mm) is wider — more in the frame for street and interiors; the Nikon NIKKOR Z 20mm f/1.8 S (20mm) is tighter — more reach and compression for portraits
- the Nikon NIKKOR Z 20mm f/1.8 S is first-party (Nikon) for guaranteed full autofocus and in-camera corrections; the Viltrox AF 14mm f/4.0 Air is third-party — usually the value pick
Where to buy
Nikon NIKKOR Z 20mm f/1.8 SSee price on Amazon
Viltrox AF 14mm f/4.0 AirSee price on Amazon
FAQ
What's the difference between the Nikon NIKKOR Z 20mm f/1.8 S and the Viltrox AF 14mm f/4.0 Air?
The Nikon NIKKOR Z 20mm f/1.8 S is 20mm f/1.8 prime, full-frame; the Viltrox AF 14mm f/4.0 Air is 14mm f/4.0 prime, full-frame. Both fit the Nikon Z mount.
Which is better in low light, the Nikon NIKKOR Z 20mm f/1.8 S or the Viltrox AF 14mm f/4.0 Air?
The Nikon NIKKOR Z 20mm f/1.8 S — its f/1.8 maximum aperture lets in more light and gives more background blur than the f/4.0 of the other.
Do the Nikon NIKKOR Z 20mm f/1.8 S and Viltrox AF 14mm f/4.0 Air fit the same camera?
Yes — both are Nikon Z mount lenses, so they fit Nikon Z series (Z6/Z7/Z8/Z9 full-frame, Z50/Zfc APS-C).
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