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To Robert May ...Focal Formula
Forum List | Follow Ups | Post Message | Back to Thread Topics Posted by Kip Crawford on December 7, 1999 03:14:22 UTC |
I remembered there was a formula somewhere on the net concerning focal ratio and length. I know San Fransisco Sidewalk guys have it in their plans. I was wondering if you knew for references. Sometimes I have a hard time explaining to folks how to do this. Do you know of any? Thanks!! |
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