Re: ATM 20-25-30 inch

[Cary Chleborad <bennu@ns.net>]

Go to willman-bell, order the book on big dobsonians by Richard Berry & Kriege.
Read it before you do anything else in your quest for a big scope.  Draw your
own conclusions.

-Cary


alderlie wrote:

> Hello in U.S.A. ( or Europe,)
>
> The chance to see through a realy big telescope in the Netherlands is almost
> zero,
> Because there are not many of them. I own a 16 inch F6 ,and want to make a
> big one now, ( also the grinding part ).
>
> what can I expect from the difference between the sizes 20, 25 or 30 inch in
> performance,
>
> What are the prices for a 2 inch blank in those sizes.