Lamp-based projector
Projectors using mercury or xenon lamps that need replacing every few thousand hours.
Lamp projectors are cheaper to buy but brightness falls over time and they need warm-up and cool-down. Many festivals have switched to laser.
Related terms
- Laser phosphorA light source that uses blue lasers exciting a phosphor wheel to create white light.
Put it into practice: throw-distance calculator · lumens calculator · intro to projection mapping