Archived posting to the Leica Users Group, 2000/03/03

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Subject: RE: [Leica] RE: Lens cleaner
From: "Lee, Jonathan" <Jonathan.Lee@hrcc.on.ca>
Date: Fri, 3 Mar 2000 12:45:14 -0500

Yup, methanol, says so right in the manual for my 50 'cron.  Just don't ask
me why I was reading the manual for a lens ;-).

I used Methanol to clean the haze from the internal elements of a prewar
Summar and to make a first generation (8 element) 35 summicron really
sparkle. A methanol clean makes the uncoated elements on the Sumar look
really amazing and the summicron glass looks like new.  The only thing you
have to do is work quickly and remove the methanol before it evaporates.  If
it evaporates on the lens, the methanol will streak.

I'm surprised that Solm's isn't marketing some type of official Leica lens
cleaning solution and cotton cloth.  Mercedes, for example, sells its own
proprietry brand of windshield wiper fluid and car wash soap. 

Jonathan Lee

- -----Original Message-----
From: Charles Cason [mailto:cec@vbe.com]
Sent: Friday, March 03, 2000 11:41 AM
To: leica-users@mejac.palo-alto.ca.us
Subject: Re: [Leica] RE: Lens cleaner


methanol?  for real?  That sounds so harsh.  However, the price is
right.  Thanks

"Lee, Jonathan" wrote:
> 
> LUGers,
> 
> For a bunch of Leicaphiles, I'm surprised that nobody has yet recommended
> cleaning lenses the way the Leica recommends: methanol, applied and wiped
> off with a soft cloth or tissue.  No residue is left, the glass sparkles,
> and methanol (methylated spirits in your hardware store) is probably a
buck
> a liter and that will last you a lifetime.
> 
> Jonathan Lee