IEVref:845-01-25ID:
Language:enStatus: Obsolete
Term: luminous flux
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Symbol: Φv; Φ
Definition: quantity derived from radiant flux Φe by evaluating the radiation according to its action upon the CIE standard photometric observer. For photopic vision X is the spectral distribution of the radiant flux and V(λ) is the spectral luminous efficiency

unit : lm

NOTE – For the values of Km (photopic vision) and K'm (scotopic vision), see 845-01-56.


Publication date:1987
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