NaturaLux™ Photometric Data

Chromaticity

Test Object	Chromaticity x value	Chromaticity y value
Cool White Fluorescent Lamp	0.3467	0.3641
*Through* the NaturaLux Filters^TM	0.3342	0.3467

Kelvin Temperature

Test Object	Kelvin Temperature
Sylvania Octron™ 950 5000K Fluorescent Lamp	4979K
*Through* the NaturaLux Filters^TM	5425K

Color Rendering Index (CRI) Values

Test Object	Color Rendering Index
Sylvania Octron™ 950 5000K Fluorescent Lamp	88.4
*Through* the NaturaLux Filters^TM	95.3

Scotopic/Photopic (S/P) Ratio

Test Object	S/P Ratio
Sylvania Octron™ 950 5000K Fluorescent Lamp	2.06
*Through* the NaturaLux Filters^TM	2.24

Source for the Three Preceding Studies: Lighting Sciences, Scottsdale, Arizona

Click Here to View CRI Data, Kelvin Temperature and S/P Ratio Data

Light Transmission of a Fluorescent Lamp Through:

Test Object	Foot-Candles (fc)	Light Transmission
Air	90 fc	100%
Clear Pattern 12 Prismatic Lens	80 fc	90%
NaturaLux™ Overlay Lens	72 fc	80%