Re: [APML] Need for a 300 mm "CCD scope"; was: (OT) IC1396 CCDwith Schmidt-like FOV

[lkt <tan@cox.net>]

Brian,

 Do you have the link? Boy, that's really small. 

Loke



Brian Sledz wrote:
> 
> The SBIG site had a small Lurie Houghton designed scope for wide field.
> They said they put it on the back burner.   IIRC it was a 100mm f2.8???
> Brian
> 
> On 8/6/02 3:04 PM, "lkt" <tan@cox.net> wrote:
> 
> > Now what would be very cool would be a very small Newtonian type design.
> > Maybe a 2" aperture f/3 instrument (150mm FL). The central obstruction
> > might be 1". Sure this is 50% but the resolution per pixel would be poor
> > anyway. I wonder if a 1" secondary might fully illuminate the KAF3200.
> > This would have a carbon fiber tube and Sitall optics for temp.
> > insensitivity. It would fit in the palm of your hand. I do not know if
> > it's possible.
> >
> > Loke
> >
> >
> > Gene Horr wrote:
> >>
> >> Bert Katzung wrote:
> >>
> >>> Thanks for the input---that Tak scope and its price are a very useful
> >>> yardstick! Is that no longer available?
> >>
> >> No, they stopped 3 or 4 years ago.  There wasn't enough demand (hmmm.
> >> A bad datum....) much of this may have been due to the lack of back
> >> focus, though.  You couldn't use a diagonal hence it was a poor choice
> >> for a visual instrument.  One heck of a little pocket astrograph, though.
> >>
> >> Gene Horr
> >> genehorr@texas.net
> >>
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