NaturaLux™ Filters absorb a portion of the yellow and green light rays in order to provide a full spectrum of light from ordinary cool white fluorescent light bulbs.  By absorbing the high yellow/green content of fluorescent light and allowing more of the violet, blue, and red portions through, we are able to transform the color output of ordinary cool white light into virtually the same color output found in natural sunlight.

All visible light and ultraviolet (UV) light is measured in nanometers (nm).  Fluorescent lighting requires the use of UV radiation to produce visible light.  UV is present in three forms:  UVA (320 to 400nm); UVB (280-320nm); and UVC (100-280nm).

NaturaLux Filters absorb some of the yellow and green light rays in order to provide a full spectrum of light from ordinary cool white fluorescent light bulbs. The graph, shown above, represents the filter's spectral qualities, not the end result. By absorbing the high yellow/green content of light and increasing the violet, blue, and red portions, the result is a balancing of light to provide the approximate values of colors found in natural sunlight. NaturaLux Filters absorb 100% of UVB and UVA up to 380nm. From 380nm to 390nm, they absorb 80-99% of UVA. From 390nm to 400nm, they absorb 50-80% of UVA.

There are UV filter manufacturers that use a yellow dye in their filters to absorb the miniscule amount of UV we do not absorb with our NaturaLux Filters.  From a color accuracy standpoint, the problem with using a yellow dye is that it eliminates all of the violet and a good portion of blue from the light source.  Our goal is to provide you with the best color-balanced, UV-absorbed lighting environment possible.

(Graph supplied by OptiColor, Inc.)