Sony FE 24-70mm F2.8 GM on Sony A7R vs Canon EF 24-70mm f/2.8L II USM on Canon EOS Rebel T2i, EOS 550D or Kiss X4

COMPARISON SELECTION (3 selected items max.)

DXOMARK Score

Best at f=50mm & f/2.8 [?]
29

Lens Metric Scores

Sharpness [?]
17 P-Mpix
Transmission [?]
2.8 TStop
Distortion [?]
0.7 %
Vignetting [?]
-1.6 EV
Chr. aberration [?]
10 µm

DXOMARK Score

Best at f=24mm & f/2.8 [?]
19

Lens Metric Scores

Sharpness [?]
12 P-Mpix
Transmission [?]
3 TStop
Distortion [?]
0.1 %
Vignetting [?]
-0.3 EV
Chr. aberration [?]
9 µm