Pentax smc PENTAX DA 16-45mm F4 ED AL on Pentax K-3 vs Sigma 17-70mm F2.8-4 DC MACRO HSM C Pentax on Pentax K-3

COMPARISON SELECTION (3 selected items max.)
Pentax smc PENTAX DA 16-45mm F4 ED AL
Pentax smc PENTAX DA 16-45mm F4 ED AL

DXOMARK Score
Best at f=28mm & f/4 [?]
18

Lens Metric Scores

Sharpness [?]
11 P-Mpix
Transmission [?]
4.2 TStop
Distortion [?]
0.3 %
Vignetting [?]
-0.7 EV
Chr. aberration [?]
16 µm
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