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Re: [ATM] lensmaker for a very long focus objective

To: "atml" <atm@atmlist.net>
Subject: Re: [ATM] lensmaker for a very long focus objective
From: "Bob May" <bobmay@nethere.com>
Date: Fri, 26 Mar 2004 16:56:37 -0800
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A quarter diopter is only 4 meters for focal length, not even as long as my
200" refractor is.
Bob May
http://nav.to/bobmay
bobmay@nethere.com
NEW! http://bobmay.astronomy.net


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References:
- RE: [ATM] lensmaker for a very long focus objective
  - From: "David Harbour" <scarab2@cox.net>

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