Archived posting to the Leica Users Group, 2011/06/15

[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]
Subject: [Leica] Leica Prices may not be artificially high
From: grduprey at mchsi.com (grduprey at mchsi.com)
Date: Wed, 15 Jun 2011 09:34:25 -0500 (CDT)
 
Have not lens elements been glued together in groups since the very 
beginning of the craft?

gene

----- Original Message -----
From: "Marty Deveney" <benedenia at gmail.com>
To: "Leica Users Group" <lug at leica-users.org>
Sent: Tuesday, June 14, 2011 6:44:55 AM GMT -06:00 US/Canada Central
Subject: Re: [Leica] Leica Prices may not be artificially high

> Plastics by whatever name can be remarkably tough and can bounce back 
> where a metal would have permanently deformed. ?Thermal expansion 
> properties can also be managed such that the bits holding glass elements 
> in place will expand and contract at the same rate as the glass. ?Plastic 
> isn't always cheap junk.

Agreed 100%.  But I still don't like glue.

Marty

_______________________________________________
Leica Users Group.
See http://leica-users.org/mailman/listinfo/lug for more information