Throw distance
The distance between the projector lens and the projection surface.
Throw distance = throw ratio × image width. It decides where the projector tower stands and which lens you need.
Related terms
- Throw ratioDistance from the lens to the image divided by the image width.
- Projection towerA scaffolded structure that holds projectors at the right height and distance.
Put it into practice: throw-distance calculator · lumens calculator · intro to projection mapping