Area Light Spread & Mounting Height
We measure the amount of light in footcandles (which has the units of ftc) and a very important part of the Lighting Design process for Area Light



IESNA Distribution Range
VS <1.00 x Height
S 1.00 - 2.25x Height
M 2.25 - 3.75x Height
L 3.27 - 6.00x Height
VL >6.00x Height

Most area lights are M distribution range from factory which is best suited for the majority of applications.  

Please note that some manufacturers may vary in specification and this gives you indication of fitting performance in keeping with IESNA. If you need a more specialist distributions, please get in touch.


Area Light Articles