Olympus M.ZUIKO DIGITAL ED 12-40mm F2.8 PRO on Olympus OM-D E-M1 vs Sony FE Carl Zeiss Vario-Tessar T* 24-70mm F4 ZA OSS on Sony A7R

COMPARISON SELECTION (3 selected items max.)
Olympus M.ZUIKO DIGITAL ED 12-40mm F2.8 PRO
Olympus M.ZUIKO DIGITAL ED 12-40mm F2.8 PRO

DXOMARK Score
Best at f=12mm & f/2.8 [?]
20

Lens Metric Scores

Sharpness [?]
9 P-Mpix
Transmission [?]
3.3 TStop
Distortion [?]
1.3 %
Vignetting [?]
-0.9 EV
Chr. aberration [?]
10 µm
Sony FE Carl Zeiss Vario-Tessar T* 24-70mm F4 ZA OSS
Sony FE Carl Zeiss Vario-Tessar T* 24-70mm F4 ZA OSS

DXOMARK Score
Best at f=35mm & f/4 [?]
25

Lens Metric Scores

Sharpness [?]
15 P-Mpix
Transmission [?]
4.4 TStop
Distortion [?]
1 %
Vignetting [?]
-1.7 EV
Chr. aberration [?]
9 µm