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Fujifilm GFX100
crosshatching pattern noise

Fujifilm GFX100: Crosshatching Artifacts using Adobe Camera Raw Enhance Details

Update 29 July: I contacted Adobe and provided the raw file. A bug has been logged and it is being looked into.

Update 30 July: the problem is not restricted to the Fujifilm GFX100. The crop further below shows the behavior with a Sony A7R III file without and with Adobe Camera Raw Enhance Details. It appears that Enhance Details is the key variable.

...

I was preparing an ISO series showing the Fujifilm GFX100 from ISO 100 to ISO 12800 when the peculiar look to the blue sky caught my attention; it had a strangely patterned/textured look to it, particularly at ISO 100. Once I saw it, I could not un-see it. Which to me makes it a serious problem.

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Variants EnhanceDetails,St available in full article
f4 @ 2.6 sec electronic shutter, ISO 100; 2019-07-20 20:54:47
Fujifilm GFX 100 + Fujifilm GF 110mm f/2 R LM WR @ 90.5mm equiv (110mm)
RAW: Enhance Details, LACA corrected, distortion corrected, vignetting corrected

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