----- Original Message ----- From: <eco...@aol.com>
> Thanks for all the info. I could not get to 'stanford' site and the 'Zero' > site did not give enough details. > But I think a zone plate seems to be similar to a Fresnal Lens. > If not, then further enlightenment is needed. > Ellis Mark Iterrante mentioned my sites: Images: http://members.rogers.com/penate/ZP120.html Article on the subject: http://members.rogers.com/penate/zoneplate.html If something in the above article you don't understand of if you have any questions after having read it, pls post a question, either here or directly to my email address pen...@rogers.com Guillermo
