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Re: How long for AP160?

Subject: Re: How long for AP160?
From: "Bill Green"
Date: Mon, 22 Aug 2005 12:30:35 GMT
Newsgroups: sci.astro.amateur
Well, Takahashi has moved beyond the FS series to the TOA series, which
reportedly has perfect color correction just like AP.


<michaelanderson4@xxxxxxxxxxxx> wrote in message
> True, it's pretty astonishing, but if you look through a Tak (FS
> series) and an AP,
> the Tak image of Jupiter (for instance) is yellow, though the AP,
> perfect colour correction.
> It's actually very striking.  Same thing when comparing an SCT with
> it's modest residual
> chromatic aberration and an AP, the AP comes closest to a Newtonian
> when it comes
> to colour correction compared to any other lens or lens/mirror scope.

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