Re: [ATM] Two secondaries, one backwards

[artbianconi@blast.net]

Thanks Jarvis for the time and effort to help me with this. I received a number of suggestions, some easier than others. 

I  need to sit down with each one and muddle my way through.

Are you interested in seeing some JPG's of the design taken from the engineering model?

Regards

Art


To:             	djv@bedford.net
Copies to:      	artbianconi@blast.net, atm@atmlist.net
Date sent:      	Sun, 25 Jul 2004 15:20:28 -0700
Subject:        	Re: [ATM] Two secondaries, one backwards
From:           	Jarvis Krumbein <jkoptic@juno.com>

> > On Sun, 25 Jul 2004 artbianconi@blast.net wrote:
> > 
> > > I would like to be able to move my head slightly and
> > > look down through an second eyepiece instead of using a
> > > Telrad or similar device.
> > 
> 
> The old (pre Willman-Bell reprint) Amateur Telescope Making
> books have several similatr arrangements.  The Rogers
> home-made finder in "Miscellany" book 1 (pg. 307 in my
> addition) and several different approaches in book 2
> (Advanced) on pg 516-518 in "Shorts".  These may also be in
> the reprint versions of the books but may not be.
> 
> Jarvis Krumbein
> 
> 
> 
> 
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