Yes, either a repeating machine or a repeating person are about the only ways to do it. By the way, when you make a reply in the message history it gets hiddenparabola30
Hmmmmmmmmmm On Tue, Aug 25, 2015 at 12:22 PM, rick55@... [lockwood_optics] < ... As there were 7 peaks there must be 6 (!) divots, my vote is for a 6o1bigtenor
Mike, I enjoyed reading your article about the "Unique Mirror". I'm guessing about a possible way to create seven evenly spaced peaks on the mirror surface.swenson_rick
A place to discuss high-quality reflecting optics, how to get the most from them, and associated issues. You are invited to share your observing experiences using Lockwood Optics or ask questions.
I expect posts to be relevant and civil. Debate is fine, but flaming, arguments, thread hijacking, advertising competing or unrelated products, etc., will prompt me to take action. Play nice. Keep it on topic. Mirror making is not covered here because I am simply too busy.
Lockwood Custom Optics makes optics for Newtonian and Cassegrain telescopes, specializing in large (up to 60") and fast (down to F/2) optics and systems made from monolithic and cast cellular blanks.
I specialize in large, thin, fast, accurately corrected, smooth optics that are excellent figures of revolution. I have significant experience with lightweight cast cellular blanks. A list of my commercial clients is here, and page showing some of my notable projects can be found here.
The photo shows a 50" f/4.0 mirror that was successfully tested (uncoated) in the telescope built by the Astronomical Research Institute. It is currently being used for for measurements of asteroids and near-Earth objects (NEOs), and other research.
A 32" f/2.8 was recently completed, as was a 45" f/3.75. A 40" f/3.7 Cassegrain primary is in process currently. Work on smaller mirrors is, of course, ongoing as well.
Owner, Lockwood Custom Optics
- Feb 6, 2009
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