Short-throw lens
A lens with a throw ratio below about 1:1, for large images from short distances.
Short-throw and ultra-short-throw lenses help in tight streets or for object mapping, but may distort more at the edges.
Related terms
- Throw ratioDistance from the lens to the image divided by the image width.
- Ultra-short-throw (UST)Projectors or lenses with throw ratios below about 0.4:1, placed right next to the surface…
Put it into practice: throw-distance calculator · lumens calculator · intro to projection mapping