Canon EF 28-70mm f/2.8L USM on Canon EOS 5D Mark III vs Sigma 24-70mm F2.8 IF EX DG HSM Canon on Canon EOS 5D Mark III

COMPARISON SELECTION (3 selected items max.)

DXOMARK Score

Best at f=35mm & f/2.8 [?]
24

Lens Metric Scores

Sharpness [?]
15 P-Mpix
Transmission [?]
3.3 TStop
Distortion [?]
0.2 %
Vignetting [?]
-1 EV
Chr. aberration [?]
4 µm

DXOMARK Score

Best at f=24mm & f/2.8 [?]
22

Lens Metric Scores

Sharpness [?]
17 P-Mpix
Transmission [?]
3.3 TStop
Distortion [?]
0.3 %
Vignetting [?]
-1.5 EV
Chr. aberration [?]
29 µm