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

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Subject: Re: [Leica] Leica, Minolta, Glass, Erwin, Marc
From: Mark Rabiner <mrabiner@concentric.net>
Date: Sun, 24 Jan 1999 15:12:45 -0800

Pascal wrote:
> 
> On 22-01-1999 02:32 Jim Brick wrote:
> 
> >Leica does not make their own glass (except for R&D) and Leica buys
> >standard "off the shelf" glass from Hoya, Schott, and others. Standard
> >glass catalog items. Eloquently dissertated to us by Erwin.
> 
> That's right: I have been told at Leica that they have four main
> suppliers (two Japanese, one of them Hoya, and two European, one of them
> Schott). And apparently the "special" glass would mainly come from the
> European sources.
> As for the polishing/grinding machines, many of them could be bought by
> any lensmaker. 
snip
> 
> Pascal

I don't know if Leica's new cheap ASPH's is something they have that the
other guys don't.
Are these lens grinding machines on the open market? I thought Leica
developed these techniques.
Mark RAbiner