Re: Help with elliptical secondary source?

From: Constitutional Crisis (amercrises_at_ai5.net)
Date: 11/24/04 

Date: Wed, 24 Nov 2004 00:17:16 -0600

Whatever you do dont buy Parks.

Nate Perkins wrote:

> Hi,
>
> I'm looking at sources to buy an elliptical secondary (around 2.14")
> for my first Dob project. I see a lot of variation in prices ...
> reading some Google archives gives me the impression that the
> secondary quality doesn't matter overmuch. Is this the right
> impression? I'm interested in thoughts and recommendations.
>
> Options so far:
> Orion 2.05"/2.28" - around $23-$25, ? refl, ? wave
> University Optics 2.14" - $59, 94% refl, 1/10 wave
> Astrosystems 2.14" - $80, 94% refl, 1/10 wave
> Protostar 2.14" - $99, 94% refl, 1/10 wave
> Discovery 2.14" - $119, ? refl, ? wave
>
> I'm leaning toward either UO (because I had good experiences buying EP
> from them), or toward Astrosystems (they are a local company to me).
>
> Thanks in advance,
> Nate Perkins
> Fort Collins, CO

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