Sigma 17-70mm F2.8-4 DC MACRO HSM C Pentax on Pentax K-3 vs Pentax smc DA 18-270mm F3.5-6.3 ED SDM on Pentax K-5 II

COMPARISON SELECTION (3 selected items max.)
Sigma 17-70mm F2.8-4 DC MACRO HSM C Pentax
Sigma 17-70mm F2.8-4 DC MACRO HSM C Pentax

DXOMARK Score
Best at f=24mm & f/3.5 [?]
19

Lens Metric Scores

Sharpness [?]
10 P-Mpix
Transmission [?]
3.9 TStop
Distortion [?]
0.4 %
Vignetting [?]
-1 EV
Chr. aberration [?]
8 µm
Pentax smc DA 18-270mm F3.5-6.3 ED SDM
Pentax smc DA 18-270mm F3.5-6.3 ED SDM

DXOMARK Score
Best at f=18mm & f/3.5 [?]
13

Lens Metric Scores

Sharpness [?]
6 P-Mpix
Transmission [?]
5.7 TStop
Distortion [?]
0.7 %
Vignetting [?]
-0.8 EV
Chr. aberration [?]
9 µm