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Re: [ATM] Luri-Houghton prescriptions.
Yeah, I probably should discard the K5 design but I think that
I'm going to use it just because it is of another glass and thus
prove that you don't need to use BK-7 glass on the design. There
are also some other glasses that are somewhat common and cost
about the same a BK-7 and I'll probably set down and try them
also. I'd bet that the curves on a set of F-4 lenses will be
less than BK-7.
Bob May
bobmay at nethere.com
http: slash /nav.to slash bobmay
http: slash /bobmay dot astronomy.net
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