Illumination Unit

Of light unit.

A measure of illumination.

This concept's ID is @1~68370

Phot

  • phot 1 facts

    A unit of illumination equal to 1 lumen per square centimeter; 10,000 phots equal 1 lux.

  • lux 0 facts

    A unit of illumination equal to 1 lumen per square meter; 0.0929 foot candle.

Also contains

  • L 0 facts

    A cgs unit of illumination equal to the brightness of a perfectly diffusing surface that emits...

  • footcandle 0 facts

    A unit of illuminance on a surface that is everywhere 1 foot from a point source of 1...