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Fuji Trans4 RAW Details Conversion to DNG, Blocky, with recent LR version?

New Here ,
Dec 17, 2022 Dec 17, 2022

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Hi,

Just recently noticed that the Raw Details to dng coversion is generating large blocks in image. Noticeable in  less detailed areas like sky. See the blocks either side of mountain and around rest of sky below.  Not seen this before (deliberately turned up contrast for this jpg, so can see blocks more easily). More visible in less saturated areas or B&W develop settings. Note they are distinct blocks rather than general banding. If apply same develop settings to the original RAF file the blocks not seen. So RAW Details seems to be causing it.  The blocks also export in the jpg image. Tried disabling GPU and checked other basic settings, cleared cache, etc   Also the blocks appear in the dng, sent to PS.  Looked at older images and dngs cant see same problem.

Anyone else seen this effect?

Fuji XT30 mk1, Core i7, LR 12.0.1, Windows 11 latest

 

_NFF2562-Enhanced-2.jpg

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New Here ,
Dec 17, 2022 Dec 17, 2022

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Just looked at image with Sharpening; Alt_Masking. Can see Block edges and bands....Untitled-1.jpg

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Community Expert ,
Dec 17, 2022 Dec 17, 2022

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Do you see this in Develop module at 1:1 zoom? 

Can you upload a sample raw to something like Dropbox so the raw itself can be analyzed in RawDigger? 

Author “Color Management for Photographers" & "Photoshop CC Color Management/pluralsight"

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New Here ,
Dec 17, 2022 Dec 17, 2022

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Yes, seen at any zoom level. And appears on exported jpg.  Not seen at all in the orginal RAF with same develop.  Getting effect on several images with similar uncrowded sky.  Probably there in more detailed areas but lost in that detail.  Ah, cant attach a .zip as not supported by this file upload. Will sort a MyCloud share later.....

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New Here ,
Dec 18, 2022 Dec 18, 2022

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After chatting with Adobe Tech support they have rasied a case and investigating. 

They asked me to try the same RAFs conversion on a different pc and older LR version (11.5) and the banding/blocks didnt appear.  Loaded 12.1 and they appeared.

 

Will update when get results of thier investigation......

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New Here ,
Jan 19, 2023 Jan 19, 2023

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LATEST

After a few weeks investigation, and supply of example images, the Adobe 2nd level tech support confirmed to me today by phone that they have investigated this problem and is an issue/bug with the software. They stated that a fix would be in the next version of lightroom, due for release by end of the month.

Phew - at least its not my camera or PC 🙂

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