Archived posting to the Leica Users Group, 1998/03/27

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Subject: Re: [Leica] At what altitudes is it adviseable to use an UV filter?
From: Eric Welch <ewelch@ponyexpress.net>
Date: Fri, 27 Mar 1998 21:47:28 -0600
 
At 08:08 AM 3/26/98 -0800, you wrote:
>Last paragraph, page 55, Leitz document #920 083
>
>"Leica lenses from 1965 onward absorb UV through the use of certain types
>of glass and above all through a certain method of cementing the lenses. A
>UV filter is unnecessary. Even at high altitudes, the UV filter has no
>effect."

Jim,

What's the date on this? I seem to remember they used to say high altitudes
could use a UV filter. That's quite interesting! 
==========

Eric Welch
St. Joseph, MO
http://www.ponyexpress.net/~ewelch

I used to have a handle on life, then it broke