the.com/lumens
the unit that finally lets you argue about brightness with math instead of vibes
means Lumens are the unit measuring the total amount of visible light a source emits — how much brightness it actually puts out, regardless of where that light lands.
from From Latin 'lumen,' meaning 'light' or 'an opening that lets light in' — itself related to 'lux' and the wider family of Latin words for shining and luminescence. The term was adopted into the metric system of light measurement (photometry), where it sits alongside its relatives 'lux' and 'luminous,' all tracing back to the same bright Latin root.
- named for
- Latin for light, fittingly
- vs lux
- lumens hit a surface and become lux
- candle power
- one candle emits roughly twelve lumens
- the sun
- pumps out octillions of lumens nonstop
- bulb wars
- watts measure power, lumens measure actual light
philips hue white ambiance — smart bulb producing up to 1600 lumens of adjustable white light
nitecore mh12000 — rechargeable flashlight with 12,000 lumen output, used by search and rescue teams
imax theater projector — imax digital projectors produce 50,000+ lumens to illuminate 70-foot screens