Zeiss Batis 18mm f/2.8 vs Sigma 20mm f/2 DG Contemporary
Both are Sony E mount primes for wide-angle and landscape — here's how the specs differ and which to pick. Every spec is from the manufacturer's own catalog.
| Spec | Zeiss Batis 18mm f/2.8 | Sigma 20mm f/2 DG Contemporary |
|---|---|---|
| Focal length | 18mm | 20mm |
| Max aperture | f/2.8 | f/2 |
| Type | prime | prime |
| Coverage | full-frame | full-frame |
| Mount | Sony E | Sony E |
Which should you buy?
- the Sigma 20mm f/2 DG Contemporary opens wider (f/2) — brighter in low light and more background blur
- the Zeiss Batis 18mm f/2.8 (18mm) is wider — more in the frame for street and interiors; the Sigma 20mm f/2 DG Contemporary (20mm) is tighter — more reach and compression for portraits
Where to buy
Zeiss Batis 18mm f/2.8See price on Amazon
Sigma 20mm f/2 DG ContemporarySee price on Amazon
FAQ
What's the difference between the Zeiss Batis 18mm f/2.8 and the Sigma 20mm f/2 DG Contemporary?
The Zeiss Batis 18mm f/2.8 is 18mm f/2.8 prime, full-frame; the Sigma 20mm f/2 DG Contemporary is 20mm f/2 prime, full-frame. Both fit the Sony E mount.
Which is better in low light, the Zeiss Batis 18mm f/2.8 or the Sigma 20mm f/2 DG Contemporary?
The Sigma 20mm f/2 DG Contemporary — its f/2 maximum aperture lets in more light and gives more background blur than the f/2.8 of the other.
Do the Zeiss Batis 18mm f/2.8 and Sigma 20mm f/2 DG Contemporary 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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