I just downloaded Photone to try to figure out how much light I am getting in certain rooms. Do you know how much the readings vary between incandescent (free), LED and sunlight? Grossly inaccurate? Kinda close. If it is kinda close it probably would be good enough for my needs at the moment...
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Originally Posted by camille1585
Photone is a good app. You do have to pay to unlock some light sources, but it seems very accurate. The app has been calibrated for many of the popular phone brands/models. I tested it against a quantum spectrometer, and the PAR values given by the app were within 10% of the high end meter. The app developers do note that accuracy on androids can't be guaranteed due to the sheer number of models that exist (but I expect that common ones, and iPhones, should work fine).
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