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Re: [OM] cleaning dirty focusing screens; multicoating; appropriate resp

Subject: Re: [OM] cleaning dirty focusing screens; multicoating; appropriate responses
From: John Hermanson <omtech@xxxxxxxxx>
Date: Wed, 20 Jan 1999 17:19:54 -0500
Sorry, should have read Goose feather, not boose.  DOUGH

John

John Hermanson wrote:
> 
> Cleaning these screens with almost anything besides compressed filtered
> air may cause disaster.  It might make you say "it wasn't that dirty to
> begin with"
> I rarely use any liquid for cleaning a screen.  I use a boose feather
> constantly for brushing stubborn dust off.  It doesn't scratch or cause
> an damage.  Liquid cleaners often leave a "ring" or "edge" behind.
> 
> John
> 
> WKato@xxxxxxx wrote:
> >
> > In a message dated 99-01-19 09:15:36 EST, you write:
> >
> > <<
> >  I've done this for years on the 1 series screens without any problems. 
> > When I
> >  tried it on a 2-13 the screen was ruined. :-( The screen "darkened" 
> > wherever
> >  the lens cleaner touched it. I was using Kodak lens cleaner.
> >  Beware!  Paul Schings >>
> >
> > I would think that this screen could be revitalized by several baths of
> > distilled water.  I think lens cleaner is just a surfactant in H20 so it
> > should go back in to solution.
> >
> > Warren Kato
> >
> >
> 
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