Sigma 10-20mm F3.5 EX DC HSM Canon on Canon EOS 7D Mark II vs Pentax HD DA 20-40mm F2.8-4 ED Limited DC WR on Pentax K-3

COMPARISON SELECTION (3 selected items max.)
Sigma 10-20mm F3.5 EX DC HSM Canon
Sigma 10-20mm F3.5 EX DC HSM Canon

DXOMARK Score
Best at f=10mm & f/3.5 [?]
16

Lens Metric Scores

Sharpness [?]
8 P-Mpix
Transmission [?]
4.2 TStop
Distortion [?]
0.4 %
Vignetting [?]
-1 EV
Chr. aberration [?]
13 µm
Pentax HD DA 20-40mm F2.8-4 ED Limited DC WR
Pentax HD DA 20-40mm F2.8-4 ED Limited DC WR

DXOMARK Score
Best at f=30mm & f/3.5 [?]
17

Lens Metric Scores

Sharpness [?]
9 P-Mpix
Transmission [?]
3.6 TStop
Distortion [?]
0.4 %
Vignetting [?]
-1 EV
Chr. aberration [?]
7 µm