Sigma 17-50mm F2.8 EX DC OS HSM Canon on Canon EOS 750D vs Canon EF-S 17-55mm f/2.8 IS USM on Canon EOS 760D vs Nikon AF-S DX Zoom-Nikkor 17-55mm f/2.8G IF-ED on Nikon D5300

COMPARISON SELECTION (3 selected items max.)

DXOMARK Score

Best at f=21mm & f/2.8 [?]
18

Lens Metric Scores

Sharpness [?]
10 P-Mpix
Transmission [?]
3.3 TStop
Distortion [?]
0.3 %
Vignetting [?]
-0.7 EV
Chr. aberration [?]
11 µm

DXOMARK Score

Best at f=35mm & f/2.8 [?]
16

Lens Metric Scores

Sharpness [?]
10 P-Mpix
Transmission [?]
3.6 TStop
Distortion [?]
0.4 %
Vignetting [?]
-1.2 EV
Chr. aberration [?]
6 µm

DXOMARK Score

Best at f=28mm & f/2.8 [?]
19

Lens Metric Scores

Sharpness [?]
10 P-Mpix
Transmission [?]
3.3 TStop
Distortion [?]
0.4 %
Vignetting [?]
-0.9 EV
Chr. aberration [?]
14 µm