Archived posting to the Leica Users Group, 2006/12/23

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Subject: [Leica] The slippery slope - "digital"?
From: don.dory at gmail.com (Don Dory)
Date: Sat Dec 23 16:31:00 2006
References: <122120061644.11300.458AB9D1000B162500002C242200734748040C02019C990E04@comcast.net> <AAF491B99DBA91D3ACB76DD4@hindolveston.reid.org>

The Japanese optical industry is/has removed lead especially and most other
heavy(toxic) metals from their optical glass over the last five years or
so.  The hazards to the workers in the smelters became too apparant to
tolerate any more.  The Canon folks assured me that as they figured out
optical glasses that don't use toxic materials they would re-issue a similar
lens; with the good success of the Nikon 200 F2 you can bet that Canon will
bring out a revised version fairly soon.

0.02

Don
don.dory@gmail.com


On 12/23/06, Brian Reid <reid@mejac.palo-alto.ca.us> wrote:
>
>
> >  Bonus benefit--the Canon EF 200mm f/1.8L.  A lens like no other and no
> longer
> >  manufactured, supposedly because of some glass-formulation chemical
> process that even
> >  Asians won't tolerate.
>
> I don't like to see slurs like this. Please be more respectful. You could
> have made your point just as well by saying "process that no one will
> tolerate".
>
>
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>

Replies: Reply from s.dimitrov at charter.net (Slobodan Dimitrov) ([Leica] The slippery slope - "digital"?)
In reply to: Message from mcyclwritr at comcast.net (mcyclwritr@comcast.net) ([Leica] The slippery slope - "digital"?)
Message from reid at mejac.palo-alto.ca.us (Brian Reid) ([Leica] The slippery slope - "digital"?)