Tamron SP 17-50mm F/2.8 Di II XR VC LD Aspherical IF Canon on Canon EOS 7D vs Sigma 17-50mm F2.8 EX DC OS HSM Canon on Canon EOS 750D

COMPARISON SELECTION (3 selected items max.)
Tamron SP 17-50mm F/2.8 Di II XR VC LD Aspherical IF Canon
Tamron SP 17-50mm F/2.8 Di II XR VC LD Aspherical IF Canon

DXOMARK Score
Best at f=17mm & f/2.8 [?]
14

Lens Metric Scores

Sharpness [?]
10 P-Mpix
Transmission [?]
3.3 TStop
Distortion [?]
0.3 %
Vignetting [?]
-0.7 EV
Chr. aberration [?]
6 µm
Sigma 17-50mm F2.8 EX DC OS HSM Canon
Sigma 17-50mm F2.8 EX DC OS HSM Canon

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