What Is Lumen? What Does Lumen Mean?

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About Ben the Flashlight Junkie

Ben is a flashlight junkie, owning several tactical flashlights from companies such as Surefire, Fenix and Inova! In his free time, he goes fishing, camping, and hunting.

A “lumen” is a unit of measure for luminous flux. Luminous flux is the time rate of flow of light. 1 lumen is equivalent to the light flux emitted in one unit solid angle by a one-candela uniform-point source. The lumen is similar to the candela, but differs in that it is a measure of light flux irrespective of direction.

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