From: Art Burke (aburkefl_at_antispamdomain.not)
Date: Wed Nov 26 2003 - 19:41:50 EST
The temptation was just to tell you you'll suffer from vignetteing.
However...
I highly recommend you get with a group of other people (a star
party or the like) and get someone to loan you what you think you
want. The proof will be in the pudding. If you like it, use it,
regardless of what I or anyone else might think!
Art
--- In digital_astro_.at._yahoogroups.com, "bretm151" <mckee_.at._b...> wrote:
> Greetings:
>
> I have a Celestron 5" SCT with a 1.25" visual back. If I take it
> off, the tube that goes forward isn't much more than 1.25"s.
>
>
> I would like to use one of the 2" "digital camera" eyepieces
> (Williams, Scopetronics) with my CP 5700 but to do that I would
need
> to get a 2" visual back. Unfortunatly, I'm doubting that they will
> do me any good since the entry to the eyepiece isn't 2".
>
> But...
>
> I have a picture in my head (and there lies the danger :-) that
the
> light is focused into the eyepiece and it might not need to be
full
> width in front of the eyepice.
>
> If someone who knows more about telescopes than I do could comment
I
> would really appreciate it...
>
> Bret
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