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Re: [ATM] Moulded Mirror comment by ANY telescope maker



see :

http://www.opticastmirrors.com/




----- Original Message ----- 
From: "Russell Jocoy" <russjocoy@hotmail.com>
To: <atm@atmlist.net>
Sent: Thursday, February 09, 2006 7:39 PM
Subject: [ATM] Moulded Mirror comment by ANY telescope maker


> 
>    To all,    The "moulded mirror" comment in any advertisment or listing 
> from any telescope maker is just mumbo jumbo saying that this glass disk was 
> not pregenerated from a machine.. This glass disk was moulded with the 
> determined "f" curve onto the blank. Of course we all know how accurate this 
> curve needs to be..., well beyond any mould known to man.  I don"t care if 
> you mould it, generate it, sit on it, you will still have to grind it, 
> polish it, and figure the surface. It is totally ridiculous to think that 
> any mould could come close to a surface that could reflect a wave length of 
> light close to what is needed to focus to your eye with any definition..    
> Russ Jocoy
> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> 
> 
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