Photopic Efficiency Value in Illumination Formulas

Photopic efficiency value of the photopic spectral luminous efficiency function for that wavelength. And is denoted by V_λ.

Illumination formulas that make use of Photopic Efficiency Value

fxSpectral Luminous EfficacyGo

What is the Photopic Efficiency Value?

Photopic efficiency value of the photopic spectral luminous efficiency function for that wavelength.

Can the Photopic Efficiency Value be negative?

{YesorNo}, the Photopic Efficiency Value, measured in {OutputVariableMeasurementName} {CanorCannot} be negative.

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