Sigma 17-70mm F2.8-4 DC MACRO OS HSM C Canon on Canon EOS Rebel T2i, EOS 550D or Kiss X4 vs Sigma 17-70mm F2.8-4 DC MACRO OS HSM C Nikon on Nikon D7100

COMPARISON SELECTION (3 selected items max.)
Sigma 17-70mm F2.8-4 DC MACRO OS HSM C Canon
Sigma 17-70mm F2.8-4 DC MACRO OS HSM C Canon

DXOMARK Score
Best at f=24mm & f/3.2 [?]
14

Lens Metric Scores

Sharpness [?]
9 P-Mpix
Transmission [?]
4 TStop
Distortion [?]
0.4 %
Vignetting [?]
-0.6 EV
Chr. aberration [?]
6 µm
Sigma 17-70mm F2.8-4 DC MACRO OS HSM C Nikon
Sigma 17-70mm F2.8-4 DC MACRO OS HSM C Nikon

DXOMARK Score
Best at f=24mm & f/3.2 [?]
19

Lens Metric Scores

Sharpness [?]
10 P-Mpix
Transmission [?]
4.1 TStop
Distortion [?]
0.4 %
Vignetting [?]
-1 EV
Chr. aberration [?]
8 µm