Original poster: "Andy Cobaugh by way of Terry Fritz <twftesla-at-qwest-dot-net>" <kb3ewy-at-rcn-dot-com> Would a night-vision scope do the same? It uses an infrared illuminator in the dark (no light at all to amplify). I could try and take some pictures of mine operating :-) Andy, KB3EWY http://users.rcn-dot-com/tcobaugh/andy/tesla.htm