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  1. Omid

    Yet, More on Collimation

    That's a nice idea Peter. It would be also nice if Bill could explain for us how three-axis collimation is achieved. Based on his explanation, this guarantees that the two telescopes' optical axes are parallels at all IPD values. This is only possible if each telescope's optical axis is parallel...
  2. Omid

    Yet, More on Collimation

    Bill, I understand your emphasis on proper collimation of binoculars but the exchanges have become too verbose and too personal at this time to be useful for a person that wants to understand the topic. I'll try to summarize your argument to make sure the readers understand your arguments...
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