Light measurement

Andrew Eatherall aea
Wed Jul 5 07:54:04 EST 1995


Dear Andrew,


Try for full sunlight (400-700nm):

100,000 lux = 10,000 foot candles = 500 Watts / square metre = 5E9 ergs = 500
joules = 120 cals = 1.3E21 photons = 2200 micromole quanta.



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