Re: ATM My telescope Making story

["Howard Banich" <hbanich@teleport.com>]

Hi Tony,

Sounds like some great deals, and perhaps I misunderstand, but it seems like
a lot more fun - not to mention easier - to find a longer tube for your
Dall-Kirkham than regrind, repolish and refigure the mirrors.

Howard
Forest Grove, Oregon

----- Original Message -----
From: <Viper71049@aol.com>
To: <atm@shore.net>
Sent: Sunday, June 24, 2001 8:33 AM
Subject: ATM My telescope Making story

<snip>
He also gave ma a good deal on a aluminum tube with inner tube supports
> for $25. I bought them and will use the aluminum tube to make my 8.5"
> Dall-Kirkham cassegrain. My cassegrain is almost finished but since the
tube
> was only 24" long i have to regrind my mirrors to adjust. my 8.5" has a
20"
> focal length and needs to have 25.6" FL. my secondary 2.1" needs a FL of
> -8.827" but mine is about -11" So i have to regrind and repolish and
> refigure. This will hopefully give me a good quality telescope that cost
me
> less than $50!!! <snip>

> Tony