[LRflex] Re: formula for lens cleaning fluid
- From: Chris L <speleo_karst@xxxxxxxxx>
- To: leicareflex@xxxxxxxxxxxxx
- Date: Sat, 16 Jan 2010 10:48:05 -0800 (PST)
I've also kept (too?) many of the lenses. I can at least vouch for no ill
effects after 15 years.
Re organic cementing: I'm certainly not suggesting dunking or soaking an entire
lens or cemented elements into a container of fluid!
Also, the suggestion is for cleaning off serious dirt/grease. While I
have every reason to think it is perfectly safe, I'd still avoid using
it every day (same goes for any cleaning).
Common sense please...
(and don't smoke while using it) ;-)
----- Original Message ----
From: Sonny Carter <sonc.hegr@xxxxxxxxx>
To: leicareflex@xxxxxxxxxxxxx
Sent: Sat, January 16, 2010 7:01:10 PM
Subject: [LRflex] Re: formula for lens cleaning fluid
On Sat, Jan 16, 2010 at 11:51 AM, David Simms <simmszee@xxxxxxxx> wrote:
> Hmmmm. Is it capable of cleaning the lettering, for instance on a Leica
> lens ?
> I think I'd find myself being somewhat squeamish about using it on optical
> surfaces although the (possible) Leica-sanctioned mixture that I mentioned
> would probably not be much less nasty.
> Thanks
> Dave
>
I dunno, many of the older lens components were cemented with organic
materials.
As far as buying, fixing up and selling, how do you know the long term
effects of lighter fluid on the lenses? You don't have them any more.
I think I'd just be careful. Less is more with lenses.
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