Ambient light
Light from other sources (streetlights, shop windows, the sky) that washes out the projection.
Ambient light is the main enemy of projection. Outdoor shows wait for full darkness and ask cities to switch off facade lighting.
Related terms
- 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