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Sigma macro lens

Started Aug 22, 2014 | Discussions thread
Lemming51
Lemming51 Forum Pro • Posts: 15,278
ask Sigma Customer Service

I recently bought a Sigma 105mm macro lense for my Canon 450D. I only tried it on the 2.8 f stop when I bought it but when I got home found it completely locked the camera on all other appertures.  I now believe this could have been a lens for the old film cameras.  Is it possible to have it re-chipped?

But my guess is it's too old. I'd return it to the seller for a refund.
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Unapologetic Canon Apologist

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