SIgma Art 35 1.4 aperture stuck

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Astrophotographer 10 Forum Pro • Posts: 13,907
SIgma Art 35 1.4 aperture stuck

I got a Sigma Art 35mm F14 FE mount and it worked for a while.

But then mysteriously the aperture no longer responds to controls and is stuck at around F16.

I thing there is a more recent firmware upgrade but you need the dock to install it.

Any suggestions? I guess I send it back for repairs.

Greg.

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