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Re: [ATM] Another flat-field anastigmatic aplant

The whole post link is:
http://www.astron.sh.cn/cgi-bin/topic.cgi?forum=2&topic=1617&start=0&show=0&man=

Please scroll down to post number 10 as it is the improved version.

Best Regards,
Ukyo Chen

>From: "Richard F.L.R. Snashall" <rflrs@rcn.com>
>To: atm@atmlist.net
>Subject: Re: [ATM] Another flat-field anastigmatic aplant
>Date: Sun, 18 Dec 2005 20:58:59 -0500
>
>Ukyo Chen wrote:
>
> >With similar contre hole, another 3-mirror system is better as it reachs 
>to
> >faster F number, like F/3.
> >Please check my work here:
> >http://www.astron.sh.cn/cgi-bin/attachment.cgi?forum=2&topic=1617&postno=10&type=.gif
> >
>I couldn't find the prescription.  Is it on another page?
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