Purkinje Phenomenon: Difference between revisions
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The reduction in the luminosity of a red light relative to that of a blue light when the luminances are reduced in the same proportion without changing the respective spectral distributions. | The reduction in the luminosity of a red light relative to that of a blue light when the luminances are reduced in the same proportion without changing the respective spectral distributions. | ||
Latest revision as of 09:36, 17 September 2026
The reduction in the luminosity of a red light relative to that of a blue light when the luminances are reduced in the same proportion without changing the respective spectral distributions.
Note: In passing from photopic to scotopic vision, the spectral luminous efficiencies change, the wavelength of maximum efficiency being displaced towards the shorter wavelengths.
Reference: C.I.E.
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
