From: Jeff Albro 
To: David Davis 
Cc: atm{at}shore.net
Reply-To: Jeff Albro 



Thanks for the suggestions!

I think I am going to end up using the Parks 4.5 f5 and use a collasible
tube arangement to go from a 16" long tube to a 24" long one.  It
gets me a better focal length, and the adjustable extension allows me to go
with a low profile, low travel focuser.

-Jeff

On Wed, 6 Aug 2003, David Davis wrote:

> There is a company called Opticast that is on the web
> that specializes in short focus mirrors.  They have an
> f4 4.5"  and a 6" f4.  Cost is cheap, (40 and 60 bucks
> respectively),  the down side is I have gotten some
> real stinkers from them.  There has never been a
> question about returns / refunds / exchanges and I
> have gotten some beauties from them too.  Just caveat
> emptor.  Check the mirror well,  star test.  I have
> purchased 8 from him in the last couple of years for
> scopes for various people.  They make wonderful low
> power richfield scopes.  I have used a 6mm eyepiece on
> one of the 6" f4 mirrors,  about 100 power, and gotten
> a nice image.
>
> http://www.opticastmirrors.com/index.html
>
> David Davis
> vorblesnak{at}yahoo.com
>
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