On Sat, Jul 24, 2010 at 2:42 AM, Mike Hord wrote: > Anybody know a good source for relatively cheap (say, <$0.50US ea) > (in qty 100) plastic lenses? > > Application is lensing down an IR beam to a moderately small angle. > If I could get the diameter down to 150mm at 10m, I'd call it a win. > I'm trying to make a laser tag game, so my receiver needs a wide > angle of acceptance, but the beam should be small. > > The smallest angle I've been able to find has been 5=B0, which puts the > beam diameter at ~1.7m at 10m. > I do not think the cost and quantity given is possible... Unless someone has some surplus units which fit your needs and are willing to sell that to you. Edmund Scientific is the typical vendor for Optics related stuff. But I do not think you are going to get your price at such a low quantity. The plastics are cheap, the mold is not. --=20 Xiaofan http://sourceforge.net/projects/libusb-win32/ --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .