Sigma 50-500mm F4.5-6.3 APO DG OS HSM Canon on Canon EOS 5DS R vs Sony FE 70-200mm F4 G OSS on Sony A7R II

COMPARISON SELECTION (3 selected items max.)
Sigma 50-500mm F4.5-6.3 APO DG OS HSM Canon
Sigma 50-500mm F4.5-6.3 APO DG OS HSM Canon

DXOMARK Score
Best at f=50mm & f/4.5 [?]
20

Lens Metric Scores

Sharpness [?]
15 P-Mpix
Transmission [?]
6.7 TStop
Distortion [?]
0.4 %
Vignetting [?]
-1.3 EV
Chr. aberration [?]
10 µm
Sony FE 70-200mm F4 G OSS
Sony FE 70-200mm F4 G OSS

DXOMARK Score
Best at f=135mm & f/4 [?]
34

Lens Metric Scores

Sharpness [?]
35 P-Mpix
Transmission [?]
4.7 TStop
Distortion [?]
0.3 %
Vignetting [?]
-1.3 EV
Chr. aberration [?]
4 µm