Sigma 10-20mm F3.5 EX DC HSM Nikon on Nikon D500 vs Pentax smc DA 12-24mm F4.0 ED AL (IF) on Pentax K-50 vs Sigma 8-16mm F4.5-5.6 DC HSM Pentax on Pentax K-50

COMPARISON SELECTION (3 selected items max.)
Sigma 10-20mm F3.5 EX DC HSM Nikon
Sigma 10-20mm F3.5 EX DC HSM Nikon

DXOMARK Score
Best at f=12mm & f/4 [?]
20

Lens Metric Scores

Sharpness [?]
10 P-Mpix
Transmission [?]
4.4 TStop
Distortion [?]
0.4 %
Vignetting [?]
-1.2 EV
Chr. aberration [?]
12 µm
Pentax smc DA 12-24mm F4.0 ED AL (IF)
Pentax smc DA 12-24mm F4.0 ED AL (IF)

DXOMARK Score
Best at f=12mm & f/4 [?]
16

Lens Metric Scores

Sharpness [?]
8 P-Mpix
Transmission [?]
4.5 TStop
Distortion [?]
0.3 %
Vignetting [?]
-0.6 EV
Chr. aberration [?]
19 µm
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