Sigma 17-50mm f/2.8 EX DC HSM Zoom

Started Sep 29, 2012 | Discussions thread
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BarcaFan
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Sigma 17-50mm f/2.8 EX DC HSM Zoom
Sep 29, 2012

I'm looking for a replacement for the Pentax 18-55 and was thinking about the Sigma 17-50. Can anyone give me some advice on this lens?

 BarcaFan's gear list:BarcaFan's gear list
Pentax K-5 Pentax smc DA 18-55mm F3.5-5.6 AL Pentax smc DA* 50-135mm F2.8 ED (IF) SDM Pentax smc DA 55-300mm F4.0-5.8 ED Sigma 8-16mm F4.5-5.6 DC HSM +1 more
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