Canon EF-S 10-18mm f/4.5-5.6 IS STM on Canon EOS 7D vs Sigma 10-20mm F4-5.6 EX DC HSM Nikon on Nikon D7000

COMPARISON SELECTION (3 selected items max.)
Canon EF-S 10-18mm f/4.5-5.6 IS STM
Canon EF-S 10-18mm f/4.5-5.6 IS STM

DXOMARK Score
Best at f=10mm & f/5.6 [?]
10

Lens Metric Scores

Sharpness [?]
7 P-Mpix
Transmission [?]
5.6 TStop
Distortion [?]
0.3 %
Vignetting [?]
-1.1 EV
Chr. aberration [?]
10 µm
Sigma 10-20mm F4-5.6 EX DC HSM Nikon
Sigma 10-20mm F4-5.6 EX DC HSM Nikon

DXOMARK Score
Best at f=10mm & f/4 [?]
9

Lens Metric Scores

Sharpness [?]
4 P-Mpix
Transmission [?]
5.3 TStop
Distortion [?]
0.7 %
Vignetting [?]
-1.5 EV
Chr. aberration [?]
18 µm