Archived posting to the Leica Users Group, 1999/01/28

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Subject: Re: [Leica] Re: glass or plastic
From: "Dan Post" <dwpost@email.msn.com>
Date: Thu, 28 Jan 1999 10:19:43 -0500
 
Dennis-
Good point. Glass seems immutable but I have seen glass that has weathered,
so I know it does change over time. The question that plastic might change
in some of its qualities over time, and at a faster rate, is a valid point.
I wish I'd thought of that! :)
Dan
- -----Original Message-----
From: Dennis Painter <dpainter@bigfoot.com>
To: leica-users@mejac.palo-alto.ca.us <leica-users@mejac.palo-alto.ca.us>
Date: Wednesday, January 27, 1999 10:55 PM
Subject: Re: [Leica] Re: glass or plastic


>Dan Post wrote:
><huge snip>
>> So, what's wrong with plastics?
>> Dan
>
>I don't know if anything is wrong with plastic lenses. I would say there
>is nothing wrong if a plastic lens made today is unchanged 50 years from
>now, provided it's performance is equal to or better than a glass
>counterpart.
>
>Dennis