Sigma 24-105mm F4 DG OS HSM A Canon on Canon EOS 5DS R vs Tamron SP AF 28-75mm F/2.8 XR Di LD Aspherical [IF] Sony on Sony SLT Alpha 99 II

COMPARISON SELECTION (3 selected items max.)
Sigma 24-105mm F4 DG OS HSM A Canon
Sigma 24-105mm F4 DG OS HSM A Canon

DXOMARK Score
Best at f=35mm & f/4 [?]
28

Lens Metric Scores

Sharpness [?]
25 P-Mpix
Transmission [?]
4.2 TStop
Distortion [?]
0.6 %
Vignetting [?]
-1.5 EV
Chr. aberration [?]
11 µm
Tamron SP AF 28-75mm F/2.8 XR Di LD Aspherical [IF] Sony
Tamron SP AF 28-75mm F/2.8 XR Di LD Aspherical [IF] Sony

DXOMARK Score
Best at f=35mm & f/2.8 [?]
26

Lens Metric Scores

Sharpness [?]
21 P-Mpix
Transmission [?]
3.3 TStop
Distortion [?]
0.4 %
Vignetting [?]
-1.4 EV
Chr. aberration [?]
8 µm