Check serial # of your Sigma Telezoom lenses.

Started Jan 29, 2013 | Discussions thread
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eenymac Senior Member • Posts: 1,069
Re: it's news from June 2010

My Bigma (OS version) developed an autofocus issue last year and was fixed under warranty.  Another user of the same lens on another forum also had his fixed under warranty too.

Thing is, I googled this problem when mine started playing up and the serial number was outside the range that Sigma listed.  All been good since the repair though and a quick turnaround.

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Pentax K-5 Pentax K-3 Pentax K-3 II Pentax smc DA 16-45mm F4 ED AL Pentax smc DA* 300mm F4.0 ED (IF) SDM +4 more
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