On the packaging of flashlights and torches to be used as headlamps, terms such as lux, candela and lumen are often mentioned in the description. But what exactly do they mean? And why don’t watts…
Conversion – PPFD to Foot-candles – Hort Americas
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The lumen seen in a new light: Making distinctions between light, lighting and neuroscience - MS Rea, 2015
Candela vs Lux vs Lumens: Illuminating the Meaning of Confusing Lighting Terms — 1000Bulbs Blog