Sony FE 40mm f/2.5 G vs Zeiss Batis 40mm f/2 CF
Both are Sony E mount primes for street and everyday — here's how the specs differ and which to pick. Every spec is from the manufacturer's own catalog.
| Spec | Sony FE 40mm f/2.5 G | Zeiss Batis 40mm f/2 CF |
|---|---|---|
| Focal length | 40mm | 40mm |
| Max aperture | f/2.5 | f/2 |
| Type | prime | prime |
| Coverage | full-frame | full-frame |
| Mount | Sony E | Sony E |
Which should you buy?
- the Zeiss Batis 40mm f/2 CF opens wider (f/2) — brighter in low light and more background blur
- the Sony FE 40mm f/2.5 G is first-party (Sony) for guaranteed full autofocus and in-camera corrections; the Zeiss Batis 40mm f/2 CF is third-party — usually the value pick
Where to buy
Sony FE 40mm f/2.5 GSee price on Amazon
Zeiss Batis 40mm f/2 CFSee price on Amazon
FAQ
What's the difference between the Sony FE 40mm f/2.5 G and the Zeiss Batis 40mm f/2 CF?
The Sony FE 40mm f/2.5 G is 40mm f/2.5 prime, full-frame; the Zeiss Batis 40mm f/2 CF is 40mm f/2 prime, full-frame. Both fit the Sony E mount.
Which is better in low light, the Sony FE 40mm f/2.5 G or the Zeiss Batis 40mm f/2 CF?
The Zeiss Batis 40mm f/2 CF — its f/2 maximum aperture lets in more light and gives more background blur than the f/2.5 of the other.
Do the Sony FE 40mm f/2.5 G and Zeiss Batis 40mm f/2 CF 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: Sony E 11mm f/1.8 vs Viltrox AF 13mm f/1.4 · Sony FE 14mm f/1.8 GM vs Sony FE 24mm f/1.4 GM · Sony FE 50mm f/2.5 G vs Samyang AF 45mm f/1.8 FE · Sony FE 50mm f/2.5 G vs Zeiss Batis 40mm f/2 CF · all Sony E lenses · all comparisons