The image below shows a color wheel by Nekia Torres, a fashion blogger. Here, the 'primary colors ' red, blue, and yellow are arranged in a triangle, with the ' secondary colors ' where the primary ...
Photometers or light meters are radiometers that include a filter and photodiode and responds based on the average human eye: the CIE 1924 luminosity function V λ. However, the light sensitive diode ...
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