proAV / data and information, lists, tables and links
What are Lumen and Lux? | Any-lamp
Lumens, Lux and Candela
Lumen Calculator (Lumen to Lux to Candela)
Candela - Wikipedia
Conversion – PPFD to Lux – Hort Americas
Is there a difference between Cd/m2 (a measure of luminance) and Lux (a measure of illuminance) in terms of the amount of light that they represent? - Quora
Luminous intensity & Photometry | auersignal.com
The Candela | LNE, Laboratoire national de métrologie et d'essais
Knowledge Base - What is the difference between cd/m2 lux and lumens ? - Barco