Practical hints and tips
Keywords:light emitting diodes, LED, ultraviolet-A, UV-A, UVA, ultraviolet-B, UV-B, UVB, PAR, Solarlike, Optisolis
In this first installment I compare the current cost of UV-B LEDs to that five years ago. I describe in detail two type of UV-A flashlights. I describe new types of LEDs emitting light with a "sun-like" spectrum. For the last two items original spectral data from my tests is presented.
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