Camera lens

posted by Our Mart on Oct 16, 2007

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I bought on ebay a Sigma 90mm f2.8 AF macro Minolta mount lens. It works perfectly okay on my Minolta Maxxum/Dynax 7 film camera (so there doesnt seem to be a malfunction in the lens) but will not function in automatic mode on my Minolta Maxxum/Dynax 5D digital SLR. I cannot understand why not. I have another AF Sigma lens (70-210) which works in automatic mode on my 5D. I have contacted Sigma and the ebay seller but neither can help. Please can you advise me.

Thanks,

Martin

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Best Solution

posted on Nov 03, 2007

JoelB

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Wiz
Rating: 88%, 37 votes

It sounds like a CPU chip incompatability issue. Sigma has that problem sometimes but are usually very good about rechipping at no cost (at least for Nikon-mount lenses). What did they say when you asked them?

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