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COLOR AND LIGHT
THE PHYSICAL NATURE OF LIGHT
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700 Wavelength m/i actual adaptation alizarin crimson amount appear artist Beer's law blue brightness calculated chapter chromaticity color constancy color photography color temperature color vision colorimetry concentration considered daylight diagram diffuse direct discussed distance dominant wavelength duced effect emulsion energy distribution fact filter given gray green illumination intensity involved layer light falling light reaching light source lines luminance match material matte surface measurements mental monochromatic normal object observer occipital lobes Optical Society paint pair particles perception photograph physical pigment plotted possible produced properties psychophysical range ratio reaching the eye receptor Reflectance curves region relative represent result retina sample saturation scene seen selective action sensitivity shadow shown in Fig spectral spectrophotometric spectrum stimulus surface reflection tend tion Transmittance curve transmitted transparent variables vary viewed vision visual white light Wratten Filter yellow