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How to test a parabolic mirror?

  1. Apr 29, 2009 #1

    I just ordered my first primary mirror (10") for DOB from Coulter Optics.
    I want to test it after it arrives. Does anyone has expirience with testing/checking params for parabolic mirrors?

    Clear skies!
  2. jcsd
  3. Apr 30, 2009 #2
    If you feel so inclined to do so, then a http://www.telescopemaking.org/ronchi.html" [Broken] will do the trick.

    Or, at first light any problems will become evident.

    However, Coulter Optics I have found produces quality products.
    Last edited by a moderator: May 4, 2017
  4. Apr 30, 2009 #3
    Thanks a lot, Waveform - this is exactly what I need!
  5. May 1, 2009 #4


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  6. Dec 15, 2010 #5

    How to align parabolic mirror for optical beam?
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