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Severe Color Shifts from RAW in LRC and LR with Sigma 45 L-Mount on Mac

Explorer ,
Dec 07, 2023 Dec 07, 2023

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Importing the DNG vom Leica TL using Sigma 45 2.8 L-Mount provides in LRC and LR super servere colorshifts. Importing to other RAW converters does not have any issues with color shifts at all. LRC says, that the integrated profile got applied. But it seems that LRC and LR are not able to read correctly the integrated profile of that lens? Sample DNG Export fron LR attached here.

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LEGEND ,
Dec 07, 2023 Dec 07, 2023

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This may have nothing to do with the camera or the lens, but with your OS and a LrC bug. This bug was specific to some MAC, and was fixed at LrC v13.0.1

 

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Explorer ,
Dec 07, 2023 Dec 07, 2023

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Thank you for picking up, but I am on v13.0.2 with latest Mac OS Sonoma 14.0 on Intel. So, not fixed again?

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Explorer ,
Dec 07, 2023 Dec 07, 2023

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Panasonic 20-60 for L-Mount does not have the issue. Guess the integrated profile is not handeled correctly. Next to LRC, LR shows the same issue for that lens.. And only that lens.

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LEGEND ,
Dec 07, 2023 Dec 07, 2023

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[This post contains formatting and embedded images that don't appear in email. View the post in your Web browser.]

 

You attached a JPEG, which I assume is either a screenshot of Develop or exported from the DNG?  I see color artifacts in that JPEG, e.g. in the lower-right corner:

johnrellis_0-1702009077165.png

 

"13.0.2 with latest Mac OS Sonoma 14.0 on Intel"

 

You may be tripping over an extant problem with older Macs that first appeared in LR 12.4 and hasn't been resolved. To verify that's the issue here, click the Apple icon in the upper-left corner and do About This Mac. Post a full-resolution screenshot (not a phone pic) of the About window.
https://www.lightroomqueen.com/community/help/createscreenshot/

 

With that, we can likely provide the best information about which workarounds would apply.

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LEGEND ,
Dec 07, 2023 Dec 07, 2023

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Moderators, please don't merge this thread until we verify the hardware configuration.

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Adobe Employee ,
Dec 08, 2023 Dec 08, 2023

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That doesn't look like the Odd Pixels issue but more like a Chromatic Aberration issue. 

Rikk Flohr - Customer Advocacy: Adobe Photography Products

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Explorer ,
Dec 08, 2023 Dec 08, 2023

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In C1 everything is fine when opening the DNG. Jpeg from cam is fine too. Like written initially the integrated profile seems not to be correct interpreted by LrC and LR. I contacted Sigma too on this yesterday, they will contact Adobe too.

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Explorer ,
Dec 08, 2023 Dec 08, 2023

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Here jpg export of the same DNG from C1. L1000026 2.jpg

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LEGEND ,
Dec 08, 2023 Dec 08, 2023

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"That doesn't look like the Odd Pixels issue but more like a Chromatic Aberration issue. "

 

...and it's a late-model Intel Mac and AMD GPU.

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Explorer ,
Dec 07, 2023 Dec 07, 2023

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Thank you both for picking up so fast. her the Shot please.  

mpauliks_0-1702020335665.png

 

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Explorer ,
Dec 07, 2023 Dec 07, 2023

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Yes, did export the DNG from LrC as jpeg toshow the artefacts.

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Adobe Employee ,
Dec 08, 2023 Dec 08, 2023

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What happens when you open the file in Camera Raw?

Rikk Flohr - Customer Advocacy: Adobe Photography Products

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Explorer ,
Dec 08, 2023 Dec 08, 2023

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Yes, did try ACR. Same issue. I am on latest version too.

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Adobe Employee ,
Dec 08, 2023 Dec 08, 2023

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Can you share the raw file with me for our engineers to review?

Rikk Flohr - Customer Advocacy: Adobe Photography Products

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Explorer ,
Dec 08, 2023 Dec 08, 2023

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Sure!  Please send me a PN how to upload, because upload DNG (25 MB) here does not work. Thank you so much for picking up and so fast!! 🙂

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Adobe Employee ,
Dec 08, 2023 Dec 08, 2023

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Share over Dropbox or similar and then provide a link is the best way. 

Rikk Flohr - Customer Advocacy: Adobe Photography Products

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Explorer ,
Dec 08, 2023 Dec 08, 2023

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Here you can download the DNG: https://photos.app.goo.gl/ApyyfDKBYuXC4iph6

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Explorer ,
Dec 08, 2023 Dec 08, 2023

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Explorer ,
Dec 08, 2023 Dec 08, 2023

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BTW google photo has the same issue with color shifts...

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Adobe Employee ,
Dec 08, 2023 Dec 08, 2023

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For Completeness can you give me the age of your Mac and the Video Card information?

Rikk Flohr - Customer Advocacy: Adobe Photography Products

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Explorer ,
Dec 08, 2023 Dec 08, 2023

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mpauliks_0-1702055291688.png

 

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LEGEND ,
Dec 08, 2023 Dec 08, 2023

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[This post contains formatting and embedded images that don't appear in email. View the post in your Web browser.]

 

I used Exiftool to remove the embedded lens profile (EXIF:OpcodeList3) from the DNG and imported that into LR. Then I compared the JPEGs exported by Capture One, by LR from the original DNG (with lens profile), and by LR from the DNG with no lens profile.

 

- The chromatic-aberration artifacts don't appear in LR with the version without a lens profile, confirming they're created by LR's interpretation of the lens profile.

 

- Both Capture One and LR are also applying distortion corrections, but the two corrections are different. 

 

So this just confirms what you've suspected: Capture One and LR are interpreting the lens profile differently, and LR's interpretation, at least for chromatic aberration, seems "wrong". 

 

Exported from LR with no lens profile:

L1000026.noopcode.jpg

 

Export from LR with lens profile:

L1000026.orig.jpg

Capture One:

c1.jpg

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Explorer ,
Dec 08, 2023 Dec 08, 2023

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John, thank you so much for checking and confirming! Also for a kind of work around so far 🙂

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Adobe Employee ,
Dec 08, 2023 Dec 08, 2023

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Thanks. I've got the file and have forwarded to Camera Raw engineering for review. I will respond back on this thread when they complete their investigation. 

Rikk Flohr - Customer Advocacy: Adobe Photography Products

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