Lumens (ANSI / ISO)
The total light output of a projector; ANSI and ISO 21118 are standard measurement methods.
Brightness for mapping is usually quoted in ANSI or ISO lumens. Outdoor facade shows commonly use 20,000–40,000 lumen projectors, often several stacked.
Related terms
- ANSI lumensA standardised measurement of projector brightness averaged over nine points of the image.
- LuxIlluminance: lumens per square metre falling on a surface.
- Contrast ratioThe ratio between the brightest white and the darkest black a projector or scene can show.
Put it into practice: throw-distance calculator · lumens calculator · intro to projection mapping