Canon EF 50mm f/1.4 USM on Canon EOS 1Ds Mark III vs Sigma 50mm F1.4 DG HSM A Canon on Canon EOS 5D Mark II

COMPARISON SELECTION (3 selected items max.)

DXOMARK Score

Best at f=50mm & f/1.4 [?]
24

Lens Metric Scores

Sharpness [?]
15 P-Mpix
Transmission [?]
1.6 TStop
Distortion [?]
0.4 %
Vignetting [?]
-2.1 EV
Chr. aberration [?]
10 µm

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