Archived posting to the Leica Users Group, 2011/06/14

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Subject: [Leica] Leica Prices may not be artificially high
From: mark at rabinergroup.com (Mark Rabiner)
Date: Tue, 14 Jun 2011 12:33:38 -0400

I love ceramics. Also I love carbon fiber. And titanium. And brass.
Aluminum not so much.

Mark

--------------------
Mark William Rabiner



> From: Douglas Sharp <douglas.sharp at gmx.de>
> Reply-To: Leica Users Group <lug at leica-users.org>
> Date: Tue, 14 Jun 2011 18:22:32 +0200
> To: Leica Users Group <lug at leica-users.org>
> Subject: Re: [Leica] Leica Prices may not be artificially high
> 
> True, state of the art plastics and ceramics can beat
> most metals into a cocked hat when it comes to
> desirable properties.
> 
> Things like low expansion coefficients and light weight
> are pretty decisive in a lot of industries.
> 
> Cheers
> The other Douglas
> 
> On 14.06.2011 13:33, Doug Herr wrote:
>> Mark Rabiner wrote:
>> 
>>> And also also also  that not super high end glass they use is held 
>>> together
>>> not by brass or aluminum but by plastic. Real nice plastic though. But
>>> plastic by any other name. its lighter! Just don't bump the lens against 
>>> a
>>> door jam going through the doorway.
>> 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.
>> 
>> Doug Herr
>> Birdman of Sacramento
>> http://www.wildlightphoto.com
>> 
>> 
>> 
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> 
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In reply to: Message from douglas.sharp at gmx.de (Douglas Sharp) ([Leica] Leica Prices may not be artificially high)