Question about Sigma APO 70-200mm f/2.8 EX DG HSM Lens
Error 01 is generally associated with camera unable to communicate with lens. Could be contacts need cleaned; since lens is new contacts on camera are more likely starting point for cleaning. But, common issue is failure of something in the lens, but that seems unlikely as it is new ... but it could happen. You might search for other Canon Error 01 comments/solutions. Failing a solution from that, time to contact SigmaUSA repair to have them inspect/repair under warranty.
Posted on Oct 16, 2010
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Posted on Jan 02, 2017
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