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[APML] chromatic aberration [was: 8" Reflector decent enough for prime focus AP?]

To: astro-photo@seds.org
Subject: [APML] chromatic aberration [was: 8" Reflector decent enough for prime focus AP?]
From: Matt BenDaniel <matt@starmatt.com>
Date: Wed, 13 Mar 2002 15:50:04 -0500
In-Reply-To: <m24rjkxl10.fsf@kuiper.rlent.pnet>
References: <B8B4E837.20B0%bruce@feagle.com><B8B4E837.20B0%bruce@feagle.com>
Reply-To: astro-photo@seds.org
Sender: owner-astro-photo@seds.org

At 03:36 PM 3/13/2002 -0500, Roland Roberts wrote:
>The f/5 version of the scope will suffer from some chromatic
>aberration for photography BUT, there have been some very nice B&W
>pictures posted on alt.binaries.pictures.astro taken with an H-alpha
>through this scope.  So if you don't mind doing tricolor imaging with
>filters, this is much more economical than a APO.

The effects of lateral chromatic aberration can be almost completely 
eliminated. See:
http://home.attbi.com/~jeboud/xchrom.htm
Matt BenDaniel
matt@starmatt.com
http://starmatt.com


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References:
- Re: [APML] Re: 8" Reflector decent enough for prime focus AP?
  - From: Bruce Feagle <bruce@feagle.com>
- Re: [APML] Re: 8" Reflector decent enough for prime focus AP?
  - From: Roland Roberts <roland@astrofoto.org>

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