Olight LEP flashlight that is supposed to reach ranges of 1000 yards. Impressive light whatever the actual range is.
https://www.youtube.com/watch?v=p1xhrtAedZ8
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Olight LEP flashlight that is supposed to reach ranges of 1000 yards. Impressive light whatever the actual range is.
https://www.youtube.com/watch?v=p1xhrtAedZ8
Laser Excited Phosphor.
Pencil beam lights, massive throw with very little spill, making it a very specialised tool.
Flashlight distance ratings is measured to where it produces about 1 lux of light. In practical terms, usable distance is somewhere between 25% to 50% of the rated beam distance (usually closer to 25%).
Still, it provides a consistent measurement which means you can compare different lights and have a fair idea of how they would perform.