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This FAQ is built by you, our customers. Ask a question using the form at the bottom of the page and we'll add it the the FAQ, with an answer of course!
Lighting FAQ:
Q. Joules and WattSeconds, what do they mean, and whats the difference?
A. First of all 1J (Joule)=1Ws(Watt Second), yep they are different names for the same thing! Because a Joule can also refer to many other measurements of energy, we tend to use Ws when we refer to Flash units. The Ws rating of a Flash unit refers to the amount of energy that is stored in its capacitor(s).
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