Archived posting to the Leica Users Group, 1999/01/24

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Subject: [Leica] Re: GLASS ASPH?
From: Jim Brick <jim@brick.org>
Date: Sun, 24 Jan 1999 22:05:38 -0800

According to the article "Aspheric Technologies" in the 7/97 Leica
Fotografie International (thanks Dick), page 27, Leica uses GLASS.

Jim




At 09:45 PM 1/24/99 -0800, you wrote:
>
>I seem to remember a Leica brochure which said something like the 35/1.4
>ASPH (current) uses plastic aspherical element. Correct me if I am wrong!
>Of course it is not the one outside! So you guys don't start scratching
>these lenses to find out the hard way! Sorry gals, I know you don't care,
>but a guy has to know! 
>
>Lucian
>
>On Sun, 24 Jan 1999, Richard W. Hemingway wrote:
>
>> Lucian,
>> 
>> >aspherical elements whereas newer ASPH have PLASTIC molded aspherical
>> >elements. Even for Leica. I don't know the particulars, but I would think
>>  
>> If I remember correctly, the aspherical elements for Leica are  moulded
>> glass??
>> 
>> Dick
>> --------------
>> Dick Hemingway
>> Plano, TX
>> 
>