>Optical problem with this (and the CCD idea) is where to focuse >the lense. Sorry, I assumed you all know that because the laser is intense, you can cut the aperture _waaaay_ down. This allows you to have a VERY WIDE focus range. Andy ================================================================== Andy Kunz Life is what we do to prepare for Eternity ------------------------------------------------------------------ andy@rc-hydros.com http://www.rc-hydros.com - Race Boats andy@montanadesign.com http://www.montanadesign.com - Electronics ==================================================================