Astronomy Site: Meade Advanced Products Users Group Archive: Re: [M]: Astrometric Eye Pieces


 

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Subject: Re: [M]: Astrometric Eye Pieces
From: Radu Corlan
Reply To: mapug@shore.net
Date: Thu Jul 05 15:38:32 2001

While you're here, how about checking out the Astronomy Book List ?

On Thu, 5 Jul 2001, Foster, Rick wrote:

>
> Hi,
>
> I am looking for an reticule eye piece that has the ability to measure
> angles and distance, plus be used for alignment. Meade has one, the 12mm
> MA Astrometric. I have a 9mm MA and do not particularly like the quality,
> it seems to be quite a bit away from the 26mm Plossl that came with the
> scope. Of course the 9mm MA did come with a rather cheap Meade starter
> scope.
>
>
> Are there recommendations for other brands? If you have the Meade
> Astrometric, how does the quality compare to a Plossl? How much eye relief?

I have the Meade astrometric, and while it does it's job, the MA optics
are really bad, especially if you want to use the protractor scale, which
you cannot see all at the same time. I thin the Celestron one is a plossl,
which should do better - though i haven't lookes through one. But it can't
be worse that the MA.

Radu

> What is the field of view ? I am not sure which to ask for the apparent or
> actual? The 26mm I think has a 52 degree field of view, I also think it is
> "apparent" and if actual depends on the scopes focal length?
>
> One other thing is it just me or do others prefer using a eye piece with a
> larger FOV (26mm) and a barlow instead of trying to look through the little
> dot of a glass provided by the smaller field of view (9mm) eye piece?
>
> Thanks in advance,
> Rick in Tucson
>

-------------
Radu Corlan Snail Mail: Bucuresti sect. 1,

You can still escape the "Gates" of Hell!
Use Linux!
-------------



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