Luminous-flux



noun, Optics.
1.
the rate of transmission of luminous energy: expressed in lumens.
noun
1.
a measure of the rate of flow of luminous energy, evaluated according to its ability to produce a visual sensation. For a monochromatic light it is the radiant flux multiplied by the spectral luminous efficiency of the light. It is measured in lumens Φv
luminous flux
(l’mə-nəs)
A measure of the radiant power of light emitted from a source without regard for the direction in which it is emitted. It is measured in lumens. See also luminous intensity.

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  • Luminous-intensity

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