Re: [APML] R200SS was: 8" Reflector decent enough for prime focus AP?

["Jim Ives" <flyboy9990@earthlink.net>]

Herm can you get Vixen products in the US now that Orion no longer carries
them?
Jim
----- Original Message -----
From: "Herm" <hermperez@worldnet.att.net>
To: <astro-photo@seds.org>
Sent: Thursday, March 14, 2002 7:49 PM
Subject: Re: [APML] R200SS was: 8" Reflector decent enough for prime focus
AP?


> "Shekhar Borde" <shekhar@prodigy.net>  wrote:
>
> >
> >Do any of the Vixen scopes take OAGs or filters?
>
> I think they are designed for guidescopes.. my R200SS is very stout,
absolutely
> no problems using a quide scope.
>
> >
> >I have the R200SS and I like it for the most part.  One minor annoyance
> >is that it will not take an OAG (understandable at f/4).
>
> I once modified mine by adding a 2" spacer to the mirror cell, this
allowed the
> use of a Lumicon newt easy guider and its coma corrector.. worked well but
when
> I changed my guidescope then I stopped using the off-axis guider and went
back
> to the guidescope..
>
> > A major annoyance
> >is that it will not take a filter.  There is no easy way to insert a
filter in the
> >light path.  You have to hack something together -- like gluing in the
filter
> >into the T-ring or devise something like a gel filter holder at the
bottom of
> >the focuser tube (as Wil Milan did with his Epsilon).
>
> Luckily I can screw a 48mm filter into the end of the coma corrector.. but
that
> may be possible just with my coma corrector.. you can always glue in a
step-down
> ring somewhere in the light path.
>
>
> >
> >BTW, I think that Orion has stopped selling (or at least listing) this
scope.
> >I wonder why?
>
> I just got a Vixen catalog, there is lots of stuff that Orion never showed
in
> their catalog. They even have a flat field 4" apo that will take medium
format,
> 20um stars over a 90mm circle.
>
>
>
> Herm
> Astropics http://home.att.net/~hermperez
>
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