Optics and Run Time



Optics and Run Time

High-quality optics can also play a role in slowing battery consumption and prolonging Run Time.  As LED technology continues to advance, the number of watts of power consumed per lumen of light generated goes down; but it is still true to say that the more lumens you want, the faster you will consume battery power. So it is still true, and probably always will be true, that excellent beam-forming optics will enhance a flashlight’s ability to deliver useful light while avoiding the need for enormous lumen output and correspondingly fast battery drain.

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