Illuminance tells us how much light hits the surface. To be exact, it tells us the density of light at any given point on surface. It is defined by incident light - the “incident” being the light that isn’t reflected, but absorbed by the surface.

Measured in Lux, it can direct the aesthetic and psychological effect light has on our senses. When calculated properly, its main purpose is to work in favor of our sensations, to visually stimulate our perception and emphasize the creative features of any given space or design. Most often used in production design, theater and architecture.

lluminance is the least expensive way to measure light. And with Lumu, also the simplest. Read the blog and watch the video below to unlock its full potential.