Sigma 150-600mm lens - aperture showing --

Started 1 month ago | Questions thread
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wareing96 New Member • Posts: 1
Sigma 150-600mm lens - aperture showing --

My Sigma 150-600mm lens has a fault where the aperture value will show as -- and then will not able to focus. It then only produces an entirely black image.

Has anyone had experience with this/know how to fix this please?

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