Bad Sigma 17-70 macro OS?

Started Jul 11, 2012 | Discussions thread
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Tucabert
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Bad Sigma 17-70 macro OS?
Jul 11, 2012

Hi there,

I am thinking of purchasing a used Sigma 17-70mm f2.8-4 macro OS HSM. The only problem is that I have heard a lot on amazon and on youtube that tons of them have front focusing problems. Is this true. Because I don't think I can send it back if I buy it from ebay.
Thanks in advance,
Albert

 Tucabert's gear list:Tucabert's gear list
Pentax K-30 Tamron SP AF 70-200mm F/2.8 Di LD (IF) MACRO Pentax smc DA 18-55mm F3.5-5.6 AL WR Samyang 14mm F2.8 IF ED MC Aspherical Adobe Photoshop CS6 extended +3 more
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