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What is the difference between lux and lumen?

Source: | Updated: Apr 26, 2016

This is a question that we get asked quite often by customers who are confused by all of the different specifications that manufacturers offer for their products. “Lumens”, is a measurement for the total amount of light emitted by a source. “Lux” is a measurement for the total amount of light that is directed towards a small area. If you focus the light from an LED into a small area, the number of lumens will stay the same, while the “lux” will increase greatly. Our research has shown that producing a wide beam of light performs the best for underwater applications, and provides the maximum usable light.

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