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Re: [OM] Using/not using filters/Cleaning lenses

Subject: Re: [OM] Using/not using filters/Cleaning lenses
From: Tom@xxxxxxxxxxxxx
Date: Mon, 5 Aug 2002 11:12:22 -0400
I'd suggest that "denatured" alcohol is probably worse for cleaning as it 
has had some noxious substance added to make it difficult to drink.

tOM

On Monday, August 05, 2002 at 4:34, Lee Penzias <olympus@xxxxxxxxxxxxxxx>
wrote re "Re: [OM] Using/not using filters/Cl" saying:

> On the subject of cleaning fluids - I am led to believe that many forms of
> alcohol are harmful to lens coatings. I think the only type recommended are
> the denatured type. The isopropyl (or other) used in sterile medical wipes
> may or may not be safe on lens coatings - and the material used might be
> likewise OK - or bad news.
> 
> My confidence in the Zeiss wipes is based on their effectiveness - but also
> the fact that I doubt Zeiss would have even considered marketing a cleaning
> patch with fluid that was anything other than safe for most if not all lens
> coatings. That within the limitations of what is accepted as normal cleaning
> frequency for the average user of course. Wipe any coated lens often enough
> and I am sure the coating will get blemished or otherwise sooner or later.
> 
> Cheers
> Lee
> 
> 
> ----Original Message Follows----
> From: "Tom Scales" <tscales@xxxxxxxxxxxxxx>
> Reply-To: olympus@xxxxxxxxxxxxxxx
> To: <olympus@xxxxxxxxxxxxxxx>
> Subject: Re: [OM] Using/not using filters/Cleaning lenses
> Date: Sun, 4 Aug 2002 16:55:04 -0400
> 
> I was wondering about that.  I have thousands of the things (every time home
> health comes they seem to bring a box).  They do seem to be cotton.
> 
> Seems like they would be safe, wouldn't they?
> 
> Tom
> 
> 
> If that is what they are, you can buy a large box of alcohol wipes
> individually sealed in foil from a medical supply type drug store for
> not much money. I think you could probably get a couple hundred for
> about $10.
> --
> Winsor Crosby
--
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