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Problem with WB (JPG)

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All imported JPG in C9 at WB 5000/0 celvin.
What is wrong with setings?
I,m looking since a long time but i dont find any solution.

A answer in german would be nice.
I, m sorry for bad english
Thank you very much.

Best whichesa
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Comments

2 comments

Date Votes
  • Ian Wilson
    Moderator
    Top Commenter
    I'm sorry that I can't answer in German. But Capture One has always treated colour temperature in JPGs that way since it started being able to edit JPGs (about version 4.5, if I remember rightly). The 5000 is just a nominal figure, but you can still move the Kelvin slider to left and right to adjust the look of the image, and you can still use the white balance picker to click on something in the image that you think should be neutral grey and improve the colour that way. Of course, you don't have as much flexibility as you do with a RAW file, but you can certainly adjust white balance. Only the Kelvin value may not be a very meaningful number.

    Ian
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  • HansB
    I could answer in German, but this is an English forum. So let's try to stick to English.

    Ian3 is right.
    [quote="Ian3" wrote:
    I'm sorry that I can't answer in German. But Capture One has always treated colour temperature in JPGs that way since it started being able to edit JPGs (about version 4.5, if I remember rightly). The 5000 is just a nominal figure, but you can still move the Kelvin slider to left and right to adjust the look of the image, and you can still use the white balance picker to click on something in the image that you think should be neutral grey and improve the colour that way. Of course, you don't have as much flexibility as you do with a RAW file, but you can certainly adjust white balance. Only the Kelvin value may not be a very meaningful number.

    Ian



    The raw image:

    + Camera
    - camera stores sensor subpixel data
    - camera stores the white balance value separately. It will be used later

    + Software
    - software calculates the image using subpixel data and white balance and displays it
    - white balance is a true kelvin value. That's where the slider got it's name
    - changing the white balance, the software calculates a new image with the original sensor subpixel data and the new white balance.


    The jpeg (and tiff) image:

    + Camera
    - camera takes sensor subpixel data and white balance, calculates the final jpeg image, and stores it
    - camera may store the white balance value separately, but just for your information

    + Software
    - software displays the stored image
    - white balance is a value relative to the stored image (where the white balance was already calculated into during image generation). Why 5000 K? It's a choice they made. It's based on the relation between color and temperature. Just use the slider as if the white balance originally was 5000 K.
    - changing the white balance, any Kelvin value stored in the metadata is disregarded because it's irrelevant. The software calculates a new image with the relative white balance changes on top of the saved jpeg


    Regards,
    Hans


    PS: I can translate it, if necessary.
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