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Re: [APML] C9.25 (was: Another intro)

To: astro-photo@seds.org
Subject: Re: [APML] C9.25 (was: Another intro)
From: Herm <hermperez@worldnet.att.net>
Date: Wed, 22 Aug 2001 15:59:14 -0400
In-Reply-To: <006901c12b35$0284c040$ec59af3f@oemcomputer>
References: <E3C97D963788D3119EFB0008C7B188780765D3BB@coexch04.mediaone.com> <004e01c12b30$ae00d800$ec59af3f@oemcomputer> <3B83F11C.CFAA41F9@starmatt.com> <006901c12b35$0284c040$ec59af3f@oemcomputer>
Reply-To: astro-photo@seds.org
Sender: owner-astro-photo@seds.org

I beleive they relaxed the primary mirror a bit, up from f2 to f3 or something
like that.. also the tube is longer than normal.. I think it is the same length
as the C11 ota.

"Tom & Lou Krajci" <krajcit@3lefties.com>  wrote:

>Hmmmmm...when an SCT has a flatter field and less thermal focus shift...my
>first guess is that the secondary mirror has a lower multiplication factor.
>Most commercial SCT's have a secondary with about 5x...maybe the C 9.25's is
>about 3x?

Herm
Astropics http://home.att.net/~hermperez

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References:
- [APML] Another intro
  - From: "Weist, Jeff" <weist.jeff@broadband.att.com>
- Re: [APML] Another intro
  - From: "Tom & Lou Krajci" <krajcit@3lefties.com>
- [APML] C9.25 (was: Another intro)
  - From: Matt BenDaniel <matt@starmatt.com>
- Re: [APML] C9.25 (was: Another intro)
  - From: "Tom & Lou Krajci" <krajcit@3lefties.com>

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