New firmware update for the Sigma MC-11 adapter

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Sigma issued a new firmware update (download here) for the MC-11 adapter:

This firmware update corrects the phenomenon that AF does not operate properly when some lenses that are not compatible with the MC-11 are attached. This firmware update does not guarantee accurate operation with lenses that are not compatible with the MC-11.

Sigma MC-11 at Amazon, B&H, Adorama, eBay.

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