Sigma 150-500mm F5-6.3 APO DG OS HSM Pentax on Pentax K-S1 vs Sigma 17-50mm F2.8 EX DC HSM Pentax on Pentax K-3

COMPARISON SELECTION (3 selected items max.)
Sigma 150-500mm F5-6.3 APO DG OS HSM Pentax
Sigma 150-500mm F5-6.3 APO DG OS HSM Pentax

DXOMARK Score
Best at f=150mm & f/5.6 [?]
12

Lens Metric Scores

Sharpness [?]
5 P-Mpix
Transmission [?]
6.5 TStop
Distortion [?]
0.2 %
Vignetting [?]
-0.3 EV
Chr. aberration [?]
9 µm
Sigma 17-50mm F2.8 EX DC HSM Pentax
Sigma 17-50mm F2.8 EX DC HSM Pentax

DXOMARK Score
Best at f=50mm & f/2.8 [?]
21

Lens Metric Scores

Sharpness [?]
13 P-Mpix
Transmission [?]
3.1 TStop
Distortion [?]
0.3 %
Vignetting [?]
-1 EV
Chr. aberration [?]
9 µm