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Re: [ATM] ronchi accuracy



Do you have any photos of such a setup?
  Guy B

Jan Bentz <jbentz@inreach.com> wrote:  For teaching purposes with a group of people nothing works better than 
the ronchi test using a perforated flat.  No math, no looking for 
fringes, and if all have the same mirror, alignment is easy.

Jan Bentz




Guy  Brandenburg
Washington, DC
My home page:
http://home.earthlink.net/~gfbranden/GFB_Home_Page.html
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