There are many things that can be confusing about lighting, and particularly about new lighting technologies such as using LED lights for general lighting. I discussed one of these confusing situations in my recent post, "How can 10,000 Lumens be brighter than 20,000 Lumens?" Another question that comes-up periodically is "What is the difference between Lumens and Foot-Candles?" I'll try to bring some clarity to the difference here, along with a little bit about why these measurements (and distinctions) are important.
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Photos from photoverulam, joelogon, JD Hancock, Veronique Debord
