Sigma 18-35mm F1.8 DC HSM A Canon on Canon EOS 760D vs Canon EF 17-40mm f/4L USM on Canon EOS 5DS R

COMPARISON SELECTION (3 selected items max.)

DXOMARK Score

Best at f=18mm & f/1.8 [?]
28

Lens Metric Scores

Sharpness [?]
16 P-Mpix
Transmission [?]
1.8 TStop
Distortion [?]
0.3 %
Vignetting [?]
-1.1 EV
Chr. aberration [?]
7 µm

DXOMARK Score

Best at f=24mm & f/4 [?]
26

Lens Metric Scores

Sharpness [?]
18 P-Mpix
Transmission [?]
4.4 TStop
Distortion [?]
0.4 %
Vignetting [?]
-1.6 EV
Chr. aberration [?]
11 µm