On Mar 30, 2008, at 9:06 AM, Rick Tejera wrote: > As for the PFD, That's why I have a cheap (Actually free) old 20mm > Edmund > Ortho eyepiece. That's what goes in the scope during public SP's. I > don't; > have to worry about fingerprints & such on the $200 chunks-o-glass. This is a common strategy, but I don't see the need for it. No one is likely to leave anything on my eyepieces that won't clean up very easily. The only reason I even bothered to thumb off the thickening deposits was that it was hurting the quality of the view. Joe Bergeron Fellow, International Association of Astronomical Artists http://www.joebergeron.com -- See message header for info on list archives or unsubscribing, and please send personal replies to the author, not the list.