Definitions for "Luminous Flux"
Keywords:  lumen, flux, emitted, sichtbare, licht
The total light emitted by a source or falling on a surface. The unit of light is the lumen.
The luminous flux is the quantity of light flow produced by a lamp. Flux is often used to describe the total light output. It is expressed in the unit lumen.
Luminous flux () is the intensity of light from a source multiplied by the solid angle. The SI unit is lumen.