White balance question

Stanley41

• September 24, 2013 14:34

Just noticed that when i open an image in capture one 7 and check the kelvin temp it gives me the numerical reading
for the kelvin and the tint....
when i open the same image in Adobe ACR and check the white balance numbers I see different numbers...

i would think that the kelvin numbers would be the same?? or do the two programs read the kelvin scale differently?

thanks
Stan

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  Paul Steunebrink

  • September 24, 2013 15:17

  These are relative values, and no raw program gives the same value.

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  Permanently deleted user

  • October 16, 2013 21:16

  Hi Stanley
  
  I've just noticed your post.
  
  Some time ago I investigated exactly this issue. I used several raw converters. I tried various ways of setting the temperature of the grey point.
  
  In my hands-on experience colour temperature readings for one image should be the same (or very close) from one app to another. Likewise tint. My main conclusion was that I should use the same colour temperature for all my shoots, regardless of weather, and use software to adjust the colour to suit. I use in-camera 5200K as reference, but an 'as shot' daylight setting is equally good.
  
  I have established lists of defined-colour settings/presets in DxO, Lightroom and Cap.1. In Cap.1 I use the 'User Styles' facility with preset colour temperatures ranging from about 2800K to 7500K. I simply hover the mouse pointer over each in turn, while watching the effect on my image. I click on the 'most appropriate' one and then tweak the temperature and tint. This is far and away the best procedure I have found, and Cap.1 generates very pleasing colours. You may wish to try it!

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