Initial Illumination in Illumination Formulas

Initial illumination refers to the starting level of light in a given area when the lighting fixtures are initially turned on before any adjustments or changes are made. And is denoted by I_initial. Initial Illumination is usually measured using the Lux for Illuminance. Note that the value of Initial Illumination is always negative.

Illumination formulas that make use of Initial Illumination

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FAQ

What is the Initial Illumination?

Initial illumination refers to the starting level of light in a given area when the lighting fixtures are initially turned on before any adjustments or changes are made. Initial Illumination is usually measured using the Lux for Illuminance. Note that the value of Initial Illumination is always negative.

Can the Initial Illumination be negative?

Yes, the Initial Illumination, measured in Illuminance can be negative.

What unit is used to measure Initial Illumination?

Initial Illumination is usually measured using the Lux[lx] for Illuminance. Candela Steradian per Sq Meter[lx] are the few other units in which Initial Illumination can be measured.

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