Sigma 17-50mm F2.8 EX DC HSM Pentax

Sigma 17-50mm F2.8 EX DC HSM Pentax

Released December 2011

Sigma 17-50mm F2.8 EX DC HSM Pentax
Sigma 17-50mm F2.8 EX DC HSM Pentax
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Sigma 17-50mm F2.8 EX DC HSM Pentax

Sigma 17-50mm F2.8 EX DC HSM Pentax

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DXOMARK Score [?]

Best at f=50mm & f/4 [?]
20

Lens Metric Scores [?]

Sharpness [?]
12 P-Mpix
Transmission [?]
3.2 TStop
Distortion [?]
0.3 %
Vignetting [?]
-1.1 EV
Chr. aberration [?]
9 µm