Started Dec 27, 2007 | Discussions thread
JuanDent New Member • Posts: 2
how are the multipliers used in dcraw related to temperature and tint?


I am very impressed with dcraw. Setting a custom white balance is done with the -r option but it expects 4 numbers (the so-called multipliers). I know these numbers correspond exactly to a color temperature and tint, but exactly how? What is the mathematical equation set that allows conversion from multipliers to temp/tint and viceversa?

Thanks a lot! If this question is inappropriate here, please excuse me... I have been searching where to place the question...

Juan Dent

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