Banding in A7III images

Started 3 weeks ago | Discussions thread
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sfpics New Member • Posts: 7
Banding in A7III images

I took some casual shots with my Sony A7III at a family birthday celebration yesterday and every image shows broad, dark banding as in the two images attached. The bands run along the long side of the image, such that in portrait shots they are vertical and in landscape ones they run horizontally. I was shooting RAWs in aperture mode, ISO 6400. Shutter speeds varied from 1/160 to 1/250. The overhead lighting was LED. I’ve never seen this before and I can not figure out why it occurred, although I suspect some sort of interaction between the shutter and an unseen flicker in the LEDs. I would appreciate any thoughts from the list. Also, is there any not too complex way to correct in post? Or to prevent the bands in the first place?

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