Sigma Sigma 18-200mm F3.5-6.3 II DC OS HSM on Pentax K-5 IIs vs Sigma 18-250mm F3.5-6.3 DC MACRO OS HSM Nikon on Nikon D500

COMPARISON SELECTION (3 selected items max.)
Sigma Sigma 18-200mm F3.5-6.3 II DC OS HSM
Sigma Sigma 18-200mm F3.5-6.3 II DC OS HSM

DXOMARK Score
Best at f=18mm & f/4 [?]
13

Lens Metric Scores

Sharpness [?]
6 P-Mpix
Transmission [?]
5.5 TStop
Distortion [?]
0.7 %
Vignetting [?]
-1 EV
Chr. aberration [?]
9 µm
Sigma 18-250mm F3.5-6.3 DC MACRO OS HSM Nikon
Sigma 18-250mm F3.5-6.3 DC MACRO OS HSM Nikon

DXOMARK Score
Best at f=18mm & f/4 [?]
15

Lens Metric Scores

Sharpness [?]
5 P-Mpix
Transmission [?]
6 TStop
Distortion [?]
0.8 %
Vignetting [?]
-1.2 EV
Chr. aberration [?]
8 µm