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Classical Cassegrain Info

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Posted by Robert May on April 26, 2002 19:39:17 UTC

Probably the best is to do a search on the web for the various designs. The classical Cass. design is a parabolic primary and a hyperbolic secondary. The R-C design is two hyperbolic surfaces.
If you're planning on doing a design, you may want to pickup the R and V book Telescope Optics from Willman-Bell and maybe also the software so that you can do a design properly. Total cost is $50 Plus shipping for the book and software.

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