Reviews and Problems with Sigma APO MACRO 150mm F2.8 EX DG HSM
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Ehh... Some Issues, Warranty Work
2 January 2013
Summary: I recently had this lens serviced by Sigma due to autofocus issues (back-focus) I been seeing on this lens and another, Nikon 80-200, on my D7000. The camera shop used Fine Tune to dial adjust the back-focus and said the Sigma wouldn't respond to it, in either direction ( - or + ). They recommended it send it Sigma and agreed, camera shop sent it off for me.