Further testing of Open Light Master web based app. Of the parameters I am looking at: CCT, Duv, Ra, and R9, only CCT and Duv appear to follow the results of the Light Master Pro phone app. And promissingly, it does seem to follow closely, at least with the high CRI Nichia 219b and 519a LEDs that I have tested.
It’s mainly the continuous reading of Duv that I am interested in, so I will continue to test it more. For me, no need to enter X,Y points is a Godsend for comparing Duv at different outputs, AR lenses, etc.
Very simple to use if you would like to try:
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