Kelvin Scale’. The scale itself was discovered using clever physics experiments, which looked at the wavelengths of light produced by heating black objects to different temperatures. Its definitely useful to know that there is a scale for measuring white balance but all you really need to remember is that the lower numbers equal warmer or redder light with higher the numbers relating to cooler or blue light. Importantly you shouldn’t worry about remembering any of this, its useful knowledge to have but to date I have never needed to know the exact white balance setting of my camera so I doubt you will do either.View the Original article
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