** When you buy products through the links on our site, we may earn a commission that supports NRA's mission to protect, preserve and defend the Second Amendment. ** Despite being outwardly identical, ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. In my last installment, I discussed some of the science behind how the human eye actually ...

The lumen is one of the most common units for measuring the brightness of any given light source. Despite its ubiquity, it’s actually also one of the worst ways to gauge illumination. Here, we dispel ...

The ProTac® 2AA-X USB personal carry light delivers 550 lumens and 10,250 candela. EAGLEVILLE, PA, May 23, 2024 - Streamlight® Inc., a leading provider of high-performance lighting and weapon ...

If you’ve ever tried to compare flashlights or lighting of any kind, you’ve probably been confronted with a bunch of confusing terms like lumen and lux that are supposed to describe how powerful a ...