PLM – Pupil Lumens

Written by SEGULA GmbH. Posted in Basics about LED, General information, Light and environment.

Pupil Lumens, PLM, lumen, unit light, unit light, measure, perception, eye, vision, photoepic vision, scotopic vision, retina, cones and rods, day vision, night vision

THE NEW UNIT AND ITS MEANING How do you compare different light sources? This is not so easy, because the human eye already perceives light differently....

LIGHT POLLUTION

Written by SEGULA GmbH. Posted in General information, Light and environment.

IMPACTS OF LIGHT SMOG ON HUMAN BEINGS AND NATURE Light pollution or light smog is the general illumination or brightening of the night sky. Especially...

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