From: "Russell Jocoy" 
To: atmpob{at}yahoo.com, atm{at}shore.net
Reply-To: "Russell Jocoy" 


>From: Dale Eason 
>Reply-To: Dale Eason 
>To: atm{at}shore.net
>Subject: Re: ATM Re: new minimalist 16 inch with sliding focuser
>Date: Fri, 1 Aug 2003 21:22:02 -0700 (PDT)
>
>
>Sorry Russell, this is not new. It has been around a
>long time.  I have a Celestron Comet Catcher that uses
>that method of focusing and it is as natural as the up
>and down method.  Your eye just naturally follows the
>small movement of the focuser.  You don't have to
>think about it.
>
>



("atm{at}shore.net")

   Well bust my britches, ., I do think that on a long focus truss type Dob
that there may be some
fluxuation in focus. But then again there is the dispute that whether you
focus up or down or
in or out .. there is no difference ., the focal length is changed just the
same. It is all in the smoothness
of the focuser, again whether up or down, or in or out..... RUSS J.
("atm{at}shore.net")
>--- Russell Jocoy  wrote:
> >
> >
> >   I myself believe that this is an inovative idea.
> > the slide idea of a
> > focuser is another animal added
> > to the mix of what is known and tried and true,
> > Don't get me wrong I have no
> > experience with this
> > type of system, and have not viewed or seen the
> > "smoothness " of the flow of
> > focus.... But, when
> > a system relies on the truss poles for focus, this
> > is a bird of a different
> > color. In and out or up and down.
> >   I feel that my eye is more comfortable in one spot
> > focusing in and out
> > rather than moving up or down...
>
>
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