Pentax smc DA Star 55mm F1.4 SDM on Pentax K-3 vs Canon EF 100-300mm f/4.5-5.6 USM on Canon EOS 1Dx

COMPARISON SELECTION (3 selected items max.)
Pentax smc DA Star 55mm F1.4 SDM
Pentax smc DA Star 55mm F1.4 SDM

DXOMARK Score
Best at f=55mm & f/2 [?]
27

Lens Metric Scores

Sharpness [?]
11 P-Mpix
Transmission [?]
1.8 TStop
Distortion [?]
0.2 %
Vignetting [?]
-0.8 EV
Chr. aberration [?]
8 µm
Canon EF 100-300mm f/4.5-5.6 USM
Canon EF 100-300mm f/4.5-5.6 USM

DXOMARK Score
Best at f=135mm & f/5 [?]
16

Lens Metric Scores

Sharpness [?]
10 P-Mpix
Transmission [?]
5.8 TStop
Distortion [?]
0.6 %
Vignetting [?]
-1 EV
Chr. aberration [?]
8 µm