Archived posting to the Leica Users Group, 1998/04/24

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Subject: Re: [Leica] What is a "moulded" asperical element?
From: ray tai <razerx@netvigator.com>
Date: Fri, 24 Apr 1998 20:23:52 +0000
 
What is a "moulded" asperical element? How many types are there?  What
is the difference?  Just curious.  Thanks.