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Lumens are used to compare the total amount of light output from a light emitter. However, lumens isn't the end-all, be-all. In fact, lumens will only tell you a one part of the picture because whe...
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Lumens are used to compare the total amount of light output from a light emitter. However, lumens isn't the end-all, be-all. In fact, lumens will only tell you a one part of the picture because whe...