Sigma 17-35mm F2.8-4 EX Aspherical HSM Canon on Canon EOS 70D vs Sigma 17-70mm F2.8-4.5 DC Macro Canon on Canon EOS 70D vs Sigma 18-35mm F1.8 DC HSM A Nikon on Nikon D3200

COMPARISON SELECTION (3 selected items max.)
Sigma 17-35mm F2.8-4 EX Aspherical HSM Canon
Sigma 17-35mm F2.8-4 EX Aspherical HSM Canon

DXOMARK Score
Best at f=17mm & f/2.8 [?]
12

Lens Metric Scores

Sharpness [?]
6 P-Mpix
Transmission [?]
4.1 TStop
Distortion [?]
0.3 %
Vignetting [?]
-0.5 EV
Chr. aberration [?]
10 µm
Sigma 17-70mm F2.8-4.5 DC Macro Canon
Sigma 17-70mm F2.8-4.5 DC Macro Canon

DXOMARK Score
Best at f=24mm & f/3.2 [?]
12

Lens Metric Scores

Sharpness [?]
9 P-Mpix
Transmission [?]
4.2 TStop
Distortion [?]
0.2 %
Vignetting [?]
-0.9 EV
Chr. aberration [?]
7 µm
Sigma 18-35mm F1.8 DC HSM A Nikon
Sigma 18-35mm F1.8 DC HSM A Nikon

DXOMARK Score
Best at f=18mm & f/1.8 [?]
26

Lens Metric Scores

Sharpness [?]
14 P-Mpix
Transmission [?]
2 TStop
Distortion [?]
0.4 %
Vignetting [?]
-1.2 EV
Chr. aberration [?]
8 µm