*ABOUT LIGHTING Luminous
flux(lumens) is the total light output of a lamp and
indicates how powerful and efficient the lamp is. Incandescent
bulbs provide 19 lumens/watt and LED (power supply incl.)
typically about 90 lumens/watt.
is the luminous
intensity per area, lumen/m. Lux number depends
on the angle of the beam, the distance and the power. Lux number represents the illuminated area, rather than the efficiency of a
Lumens/watt, lux and beam angle are important values to take
into account before choosing a lamp.