Sigma 10-20mm F3.5 EX DC HSM Canon on Canon EOS 7D Mark II vs Pentax smc DA 21mm F3.2 AL Limited 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 smc DA 21mm F3.2 AL Limited
Pentax smc DA 21mm F3.2 AL Limited

DXOMARK Score
Best at f=21mm & f/4 [?]
16

Lens Metric Scores

Sharpness [?]
11 P-Mpix
Transmission [?]
3.5 TStop
Distortion [?]
0.6 %
Vignetting [?]
-1.2 EV
Chr. aberration [?]
17 µm