Sigma 28mm F1.8 EX DG ASP Macro Nikon on Nikon D810 vs Sony FE 28mm F2 on Sony A7R

COMPARISON SELECTION (3 selected items max.)
Sigma 28mm F1.8 EX DG ASP Macro Nikon
Sigma 28mm F1.8 EX DG ASP Macro Nikon

DXOMARK Score
Best at f=28mm & f/2.8 [?]
30

Lens Metric Scores

Sharpness [?]
23 P-Mpix
Transmission [?]
1.9 TStop
Distortion [?]
0.3 %
Vignetting [?]
-1.7 EV
Chr. aberration [?]
6 µm
Sony FE 28mm F2
Sony FE 28mm F2

DXOMARK Score
Best at f=28mm & f/2 [?]
34

Lens Metric Scores

Sharpness [?]
24 P-Mpix
Transmission [?]
2 TStop
Distortion [?]
2.1 %
Vignetting [?]
-1.9 EV
Chr. aberration [?]
18 µm