Archived posting to the Leica Users Group, 2000/07/24

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Subject: Re: [Leica] Re: how to clean a lens
From: Doug Herr <telyt560@cswebmail.com>
Date: 24 Jul 2000 18:47:06 -0700

On Mon, 24 July 2000, "Miro Jurcevic" wrote:

> 
> I was buying some old (Nikkor) lenses in good condition. The man handed over
> a 300mm with a slight internal haze Upon seeing the haze he proceeded to
> take out his well used handkerchief, dipped it in his mouth and gave the
> front element a good rub down. The technician told me that the lense had
> scratches on the front ...... I wonder why.
> 
> Miro

An old Nikkor doesn't have the hard coating Leica lenses have had for the last 35 years.  In less than 10 years I made marks in my Nikkor 300, and after 20 years the coatings of my 400 Telyt are still perfect.

Doug Herr
Sacramento
http://ourworld.compuserve.com/homepages/telyt
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