Mark Cassino <[EMAIL PROTECTED]> wrote: >At 11:57 PM 8/2/2003 +0200, U+B Scheffler wrote: > >>I think I have done something wrong: I just tried to remove a black particle >>(mirror foam) from the fresnel lens / screen of a MEsuper and had some >>alcool on the cotton swab. Now there is a trace to be seen on the screen and >>in the viewfinder, too - looks somwhat darker there. > >I ruined the screen on a Pz-20 using Isopropyl alcohol. It was fogged to >the point of showing nothing - I assumed it was a plastic screen. Don't >know about the ME Super though - I'd expect a camera from that time to have >a glass focusing screen, but maybe Pentax was ahead of their time in this >one case.
ME Super has a plastic screen. It's probably ruined - I've never been successful at getting gunk out of plastic screens, no matter what cleaning agents I've tried (even Freon TF, when it was available) :( -- Mark Roberts Photography and writing www.robertstech.com
