3 ms·
Indeed. Theoretical maximum is over 200 lm/W: https://en.m.wikipedia.org/wiki/Luminous_efficacy https://en.m.wikipedia.org/wiki/Luminous_efficacy
by AndrewDucker 10y ago
Indeed. Theoretical maximum is over 200 lm/W:
https://en.m.wikipedia.org/wiki/Luminous_efficacy https://en.m.wikipedia.org/wiki/Luminous_efficacy