Sigma 50 f1.4 soft?

Started Apr 21, 2013 | Discussions thread
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Aidan Gibson Regular Member • Posts: 109
Sigma 50 f1.4 soft?

Hi there,

I bought the sigma 50 1.4 a few weeks ago and I have noticed I don't get any sharp pictures till f2.0? Is that normal or did I just get a bad copy? I also noticed that it was front focusing a bit. Do I have to send it in K-5iis only can adjust to +and - 10.

Any thoughts, can anyone help?

Cheers

 Aidan Gibson's gear list:Aidan Gibson's gear list
Pentax K-5 IIs Sigma 50mm F1.4 EX DG HSM Pentax smc DA 55-300mm F4.0-5.8 ED Sigma 30mm F1.4 EX DC HSM Pentax smc DA 18-55mm F3.5-5.6 AL WR +1 more
Pentax K-5
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