Tolerance Break Well-Known Member Mar 19, 2024 #2 Banana21 said: What LED produces just 680nm light Click to expand... None. I don't think there's supplemental pure 680nm light bars, but I may be wrong. May I ask why you want one specific wavelength of the light spectrum?
Banana21 said: What LED produces just 680nm light Click to expand... None. I don't think there's supplemental pure 680nm light bars, but I may be wrong. May I ask why you want one specific wavelength of the light spectrum?