Canon EF 40mm f/2.8 STM on Canon EOS 7D vs Pentax smc DA 40mm f2.8 XS on Pentax K-3

COMPARISON SELECTION (3 selected items max.)
Canon EF 40mm f/2.8 STM
Canon EF 40mm f/2.8 STM

DXOMARK Score
Best at f=40mm & f/2.8 [?]
18

Lens Metric Scores

Sharpness [?]
9 P-Mpix
Transmission [?]
2.8 TStop
Distortion [?]
0.1 %
Vignetting [?]
-0.7 EV
Chr. aberration [?]
14 µm
Pentax smc DA 40mm f2.8 XS
Pentax smc DA 40mm f2.8 XS

DXOMARK Score
Best at f=40mm & f/2.8 [?]
20

Lens Metric Scores

Sharpness [?]
10 P-Mpix
Transmission [?]
2.8 TStop
Distortion [?]
0.2 %
Vignetting [?]
-0.8 EV
Chr. aberration [?]
11 µm