Sigma 8-16mm F4.5-5.6 DC HSM Pentax on Pentax K-50 vs Tokina AT-X PRO SD 11-16 F2.8 IF DX II Nikon on Nikon D500

COMPARISON SELECTION (3 selected items max.)
Sigma 8-16mm F4.5-5.6 DC HSM Pentax
Sigma 8-16mm F4.5-5.6 DC HSM Pentax

DXOMARK Score
Best at f=14mm & f/5.6 [?]
13

Lens Metric Scores

Sharpness [?]
7 P-Mpix
Transmission [?]
5.4 TStop
Distortion [?]
0.9 %
Vignetting [?]
-1 EV
Chr. aberration [?]
17 µm
Tokina AT-X PRO SD 11-16 F2.8 IF DX II Nikon
Tokina AT-X PRO SD 11-16 F2.8 IF DX II Nikon

DXOMARK Score
Best at f=13mm & f/4 [?]
20

Lens Metric Scores

Sharpness [?]
10 P-Mpix
Transmission [?]
3.8 TStop
Distortion [?]
0.6 %
Vignetting [?]
-0.8 EV
Chr. aberration [?]
25 µm