Sony FE Carl Zeiss Sonnar T* 55mm F1.8 ZA on Sony A7R vs Sigma 50mm F1.4 DG HSM A Canon on Canon EOS 5D Mark II

COMPARISON SELECTION (3 selected items max.)
Sony FE Carl Zeiss Sonnar T* 55mm F1.8 ZA
Sony FE Carl Zeiss Sonnar T* 55mm F1.8 ZA

DXOMARK Score
Best at f=55mm & f/1.8 [?]
42

Lens Metric Scores

Sharpness [?]
29 P-Mpix
Transmission [?]
1.8 TStop
Distortion [?]
0.4 %
Vignetting [?]
-1.6 EV
Chr. aberration [?]
9 µm
Sigma 50mm F1.4 DG HSM A Canon
Sigma 50mm F1.4 DG HSM A Canon

DXOMARK Score
Best at f=50mm & f/2 [?]
31

Lens Metric Scores

Sharpness [?]
17 P-Mpix
Transmission [?]
1.7 TStop
Distortion [?]
0.1 %
Vignetting [?]
-1.5 EV
Chr. aberration [?]
6 µm