[EN] WTF is an illuminant and how does it affect shooting and editing ?

Any scene is lit by something we describe as an #illuminant. What are its properties ? Why do we need to adapt for illuminants (aka balance white) ? What is #white ? And how can we bring all this knowledge home to make our #photo #editing easier ? (Hint : color calibration and color checker).

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I am Aurélien Pierre, full-stack #photographer and #darktable developer. I work on improving workflows for #photography and I do research and development in #image #processing.

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illuminantaffectshooting