Group Information- Members: 1319
- Category: Telescopes
- Founded: Aug 19, 2002
- Language: English
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Description
TEC APO110FL F5.6
Prototype
Dec. 2009
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Posted - Thu Dec 24, 2009 4:35 pm
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tucstargzr
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Re: New scope material
that's good to know, I know that you always do your homework :) Tim ... From: uncarollo2 <chris1011@...> To: tec-scopes@yahoogroups.com Sent: Thu, December
Posted - Thu Dec 24, 2009 4:16 pm
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Tim Khan
timkhan
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Re: New scope material
... In my case the problem is al;ready solved. I don't know about anyone else ~;^]]. Rolando
Posted - Thu Dec 24, 2009 3:21 pm
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uncarollo2
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Re: New scope material
... I'm not sure what you are suggesting, something for the Italian guys or something for me? In our 305mm F3.8 astrograph design we do not have a thermal
Posted - Thu Dec 24, 2009 3:19 pm
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uncarollo2
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Re: New scope material
Then there is the problem of the focal change due to the mirror strain from temperture differential beteen inside and outside surfaces. As the scope cools
Posted - Thu Dec 24, 2009 2:24 pm
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Tim Khan
timkhan
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