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The photography of coloured objects (1909)

Mees, C. E. Kenneth (Charles Edward Kenneth), 1882-1960, Newton, A. J · Croydon, Wratten & Wainwright · leaf 25

An illustration from The photography of coloured objects, 1909, leaf 25
y be of intermediate brightness. If we divide the spectrum at 5000 and at 6000 so that we get three portions, 4000 to 5000 which we may term blue- violet, 5000 to 6000 which we may term green, and 6000 to 7000 which we may term red, then examination of the luminosity curve, given in Chapter II.,… … Fig. 7 Theoretical and Actual Violet 4,000 5,000 G,ooo t;ooo Fig. 8 Theoretical and Actual Green “red” light, while a bright green object will only reflect about ^ of the “green” light, and a bright blue object of the “ blue ” light ; a red object will be the brightest, a green object less bright,…

Photography · Color photography

Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.

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