I'm working on a project to build a light harp, using IR distance sensing, a smoke machine and narrow light beams. Currently I create the light beams with generic ajustable-focus LED torches from eBay (like this one). These work fine, I'd estimate the beam spread on max zoom to be around 6 or 8 degrees.
What I'd like to do is replace the torches with more compact fixed-focus lenses and LEDs. As far as I can tell I'll need lenses something like this one but I can't seem to find any information about compatibility with the various CREE models. I'm happy to just order some bits and see what works but I'd also welcome any advice as to what LEDs and lenses are compatible and most suited to this project. In terms of focus I'm aiming for around hand-sized at 1.8m distance; this matches the beam on my distance sensors.
Does anyone know:
Jim
What I'd like to do is replace the torches with more compact fixed-focus lenses and LEDs. As far as I can tell I'll need lenses something like this one but I can't seem to find any information about compatibility with the various CREE models. I'm happy to just order some bits and see what works but I'd also welcome any advice as to what LEDs and lenses are compatible and most suited to this project. In terms of focus I'm aiming for around hand-sized at 1.8m distance; this matches the beam on my distance sensors.
Does anyone know:
- If it's possible to buy pre-fabricated LED-and-lens units
- What narrow-focus lenses are available that are compatible with CREE LEDs
- Which of the CREE range would be best suited for this application.
Jim