Sigma 8-16mm F4.5-5.6 DC HSM Pentax on Pentax K-50 vs Tamron SP 10-24MM F/3.5-4.5 Di II LD Aspherical IF 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
Tamron SP 10-24MM F/3.5-4.5 Di II LD Aspherical IF Nikon
Tamron SP 10-24MM F/3.5-4.5 Di II LD Aspherical IF Nikon

DXOMARK Score
Best at f=10mm & f/3.5 [?]
16

Lens Metric Scores

Sharpness [?]
7 P-Mpix
Transmission [?]
4.4 TStop
Distortion [?]
0.8 %
Vignetting [?]
-0.8 EV
Chr. aberration [?]
15 µm