Archived posting to the Leica Users Group, 2001/03/17

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Subject: Re: [Leica] LUG and Conspiracy
From: "Dan Post" <dpost@triad.rr.com>
Date: Sat, 17 Mar 2001 12:05:54 -0500
References: <387705068.984789728021.JavaMail.root@web586-ec>

Stan-
I was wondering about that at times my self!
The reason I mention this is that a couple a months ago, I went to get new
glasses, and they were touting what they called 'invisibles'- which were
PLASTIC lenses with an anti reflection coating!!! Obviously, this coating is
one that is put on with out heat, as the lenses are plastic, BUT- the
coating does cut down reflections considerabley, and though I have to be
careful cleaning them- as they tell you the coating is soft- it appears to
be put on after the lenses are made. I bet there is someone out there who
has access to the technology who might venture to try it on a camera lens.
IF it is a chemical process with out use of heat, then I am sure there might
be a way to cheaply apply the material to a mounted lens. Not multicoating,
certainly, but it might be the ticket on a favorite older lens! If it is an
easy and inexpensive process, then prbloems with 'cleaning' marks on
thecoating would be moot- simply recoat!
Anyone out there in the spectacle industry?
Dan
- ----- Original Message -----
From: "Stanislaw Stawowy" <watteau@email.com>
To: <msmall@roanoke.infi.net>
Cc: <leica-users@mejac.palo-alto.ca.us>
Sent: Friday, March 16, 2001 7:42 PM
Subject: Re: [Leica] LUG and Conspiracy


> > Been done, brother.  Review the "WE WUZ ROBBED!"
> discussion over the past
> > week.
>
> Oh! Missed it! :-)
>
> Still I find that all LUG needs today a couple of Guinesses
> per capita...  Something is wrong in air... Or am I getting
> older?
>
> Marc, I have a question: I ave a old Rodenstock 6x9 folder
> with uncoated three elemet Trinar (5.8/105). Its lens is
> very good, has pleasant image rendition and good sharpness,
> even in corners (uncommon for triplet, but.. A good design.)
> But lens is uncoated and in tricky lightning leaves
> something to be desired. Is there a way to coat this lens?
> In a possible cheap way?
>
> Thanks! And my beloved Summitar sends greetings to your
> one... :)
>
> St. (Stanislaw B.A> Stawowy)
>
>
> -----------------------------------------------
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>
>
>

In reply to: Message from Stanislaw Stawowy <watteau@email.com> (Re: [Leica] LUG and Conspiracy)