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FeedbackCommunityMember
Inspiring
October 18, 2012

P: Color shift on exported TIFFs

  • October 18, 2012
  • 7 replies
  • 237 views

Synopsis:
I've got strange color shift from reds to yellows and highlights boost when I'm doing the following:
1) import my raw files as DNG into LR
2) edit them in LR
3) ctrl-E them to edit in PS
4) edit them in PS (just drawing a dot with the brush tool somewhere, so the file could be saved and re-imported to LR)
5) save (not "save as") them in PS which bring them back as tifs to LR

Full problem discussion can be found here:
http://forums.adobe.com/message/4784177

    This topic has been closed for replies.

    7 replies

    T
    Todd-Russell
    Participating Frequently
    December 13, 2012
    It appears to be fixed in LR4.3 Final Release. I checked both 'Edit In PS' and the Export module.

    This is very good news since it affects all users regardless of camera type.
    dorin_nicolaescu
    dorin_nicolaescu
    Inspiring
    December 13, 2012
    Yes, solved.
    F
    FeedbackCommunityMemberAuthor
    Inspiring
    December 13, 2012
    The problem seems to be solved with LR 4.3 (CameraRaw 7.3).
    Can anyone confirm that?
    T
    Todd-Russell
    Participating Frequently
    October 24, 2012
    Further testing confirms the color shift is confined to the 85% to 100% (210 to 255 in PS) area of the histogram and both PV2012 and PV2010 exhibit the problem.

    Pictures with little or no image content in the upper highlight areas (85% to 100%) will exhibit little or no color shift.
    T
    Todd-Russell
    Participating Frequently
    October 18, 2012
    To verify the above I created a ProPhoto RGB 16 bit TIFF test file outside of LR using PS CS6. The image is a pink 245, 235, 235 RGB patch on a white 255, 255, 255 RGB background. After four cumulative 'Edit a copy with Lightroom Adjustments' the pink value changed to 245, 242, 241:



    This is a shift to Yellow (+Green, +Blue), with raised overall luminance value, which correlates with what the OP is experiencing. LR Export and Adobe Camera Raw 7.2 both exhibit the exact same fault and values. Repeated 'Open & Save As' inside PS CS6 did not change the TIFF file, so the fault resides within LR.
    T
    Todd-Russell
    Participating Frequently
    October 18, 2012
    I had stated this was probably due to an issue with the Nikon camera profiles (i.e. Adobe Standard, Camera Standard, etc.).

    After further thought I do not think this the case and in fact this issue affects all LR users, regardless of camera type.

    REASON:

    Once a ProPhoto RGB 16 bit TIFF file has been created using LR's 'Edit in PS' function the file is no longer associated with a LR camera profile. However, the issue persists on subsequent 'Edit a copy with Lightroom Adjustments,' even when no adjustments are being applied inside LR or PS.
    T
    Todd-Russell
    Participating Frequently
    October 18, 2012
    Confrimed and my vote added.
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