Re: [APML]: SCT CONVERSION

[maxx <a0011306@airmail.net>]

Ditto, B&K Products will donate $100.00 also.

Jim Lumley


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Wil Milan wrote:
> 
> 
> This could be a very interesting group project. If someone wants to undertake the
> work I'd kick in $100 to help get it done. If a simple conversion could be worked
> out I think it might serve a lot of people and perhaps become quite popular.
> 
> Wil Milan
> 
> DROWESMI wrote:
> 
> >
> > In a message dated 98-01-17 12:56:28 EST, you write:
> >
> > <<    I've got a 10" Meade SCT that is now surplus to my needs and if I
> >  don't sell it I was toying with the idea of converting it to a schmidt
> >  camera. Does anyone know the speed of the primary? Anybody out there
> >  tried this? Anybody think I'm nuts?
> >  --
> >  Greg Mueller >>
> >
> > Greg:
> >
> > A very interesting idea as it turns out!  If you 1) move the existing
> > corrector to the RC of the primary, 2) stop down the corrector to 160mm
> > aperture and 3) make a curved film holder with half the radius of curvature of
> > the primary, you will get a very nice camera capable of 35 micron diameter
> > stars (all rays) and less than 20 micron RMS diameter stars.
> >
> > If you want to polish the corrector, increase the fourth order term by about
> > 18% and you will have a perfect camera.
> >
> > Dave Rowe
> > Torrance, CA
> 
> --
> "When I consider your heavens, the work of your fingers, the moon and the stars
> which You have set in place, what is Man that you are
> mindful of him, or the son of Man that you care for him?"  -- Psalm 8