Re: [APML] Off Axis Guiders For Refractors???

[Michael Gartland <mgartlan@iconn.net>]

I can't really help with the OAG question...but check out my equipment page to
see how I mounted a 90mm guidescope to a 5"  F/9 Refractor.
--
Have a Nice Day!
m

Email:   mgartlan@iconn.net

Astro Web Site:   http://members.iconn.net/mgartlan/Index.html


Jim Janusz wrote:

> Hi Kent,
>
> I use an OAG with my AP 180EDF.  It is custom built by a friend of mine
> and designed into the four inch AP focus extender and in front of the
> FF'r.  Without the OAG I had consitent flexure problems with the scope.
>
> Now its flexure free.
>
> Jim
> KGKIRKLEY@aol.com wrote:
> >
> > Dear List Subscribers:
> > Does anyone use Off Axis Guiders with refractors?
> > There have been several threads concerning off-axis guiders with reflectors
> > (SCT's, Newtonian's) and threads dealing with separate guidescopes, but I
> > can't remember any concerning their use with refractors.
> > Are the usual commerically available OAG's (Celestron, Lumicon, Meade?)
> > applicable to refractors? Any special problems encountered (available back
> > focus)?
> > How about OAG's and AstroPhysics refractors with and without
> > field-flatteners??
> > Kent Kirkley
> > http://www.connecti.com/~rreeves/kirkley.htm
> >
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