Glossary · Flashlights
Lux
Lux measure illuminance — lumens per square meter actually hitting a surface. It falls off with the square of distance, which is why a bright light still looks dim far away. Candela is the source figure; lux is what you get downrange.
Related terms
Reader favorites
The short list — full rankings live on the best-gear page.
Leatherman Arc
$199.95
Check priceCIVIVI Elementum knife
$65.00
Check priceWurkkos TS10 flashlight
$35.99
Check price
Straight disclosure —some links on this page are affiliate links. As an Amazon Associate we may earn a commission when you buy through them, at no extra cost to you. It never changes the price you pay, and it never changes a verdict.
60 guides published
42 products vetted
100 reader price checks
Featured merch
Original graphics, made to order. Gear-room aesthetics, no logos shouting.
