My ME Super has a plastic screen with those tiny microprisms -- not practical (probably impossible) to make in glass.
Don _______________ Dr E D F Williams http://personal.inet.fi/cool/don.williams Author's Web Site and Photo Gallery Updated: July 31, 2003 ----- Original Message ----- From: "Mark Cassino" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]> Sent: Sunday, August 03, 2003 4:38 AM Subject: Re: OT: screen cleaning - help, please > 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. > > - MCC > - - - - - - - - - - > Mark Cassino > Kalamazoo, MI > [EMAIL PROTECTED] > - - - - - - - - - - > Photos: > http://www.markcassino.com > - - - - - - - - - - > >
