Re: [ATM] Trischiefspiegler in 6" or 8"

[Mark Cowan <toolontop@yahoo.com>]

Hi Greg, there's a Tri-Schi design around a 4-1/4"
primary in the files that come with WinSpot

http://bhs.broo.k12.wv.us/homepage/alumni/dstevick/spotplot/winspot.htm

WinSpot is a nice ray-trace/spot program, been using
it to design an unobstructed 14" modified
Stevick-Paul.  The usual caveats apply, spot vs ray,
etc., etc.

Cheers,
Mark Cowan
Salem, OR USA

--- Greg Jones <gregj888@comcast.net> wrote:

> I seem to be accumulating a lot of smaller glass
> blanks and think I need a project in which to put
> them.  Thinking about a 6" to 8" Trischiefspiegler
> (Buchroeder ?) in the f/14 to f/20 range.  
> 
> I saw the Olso file posted earlier and will plug
> that in, but thought I would ask if anyone had a
> design they particularly liked?  Can't seem to find
> my old ATMJs but have at least one more place to
> look.
> 
> Will probably go on the fork in place of the Hougton
> in the back yard.
> 
> Thanks,
> 
> Greg Jones
> http://home.comcast.net/~dac20
> 
> PS: The 20" is still in progress, just slow.  Want
> something to take to the monthly ATM workshop...
> _______________________________________________
> ATM mailing list http://www.atmlist.net/
> 



		
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