I know this has been discussed before, but I can't find it in an archive. Does anyone know a source for rubylith or other red filter material for use with a notebook computer in the field at night? I am in the East Valley (Chandler and I10) and closer is better. I think it is time I leave the Luddites and enter the 21st Century. Joe Larkin __________________________________ Do you Yahoo!? The New Yahoo! Shopping - with improved product search http://shopping.yahoo.com -- See message header for info on list archives or unsubscribing, and please send personal replies to the author, not the list.