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Alignment of optical elements in telescopes using a laser beam with a holographic projection reticle

DC
  • US 6,025,908 A
  • Filed: 05/18/1998
  • Issued: 02/15/2000
  • Est. Priority Date: 05/18/1998
  • Status: Expired due to Term
First Claim
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1. A method of aligning an optical element in a telescope, comprising:

  • (a) projecting a reticle image having one of a series of lines, dots, or crosshairs onto the optical element; and

    (b) aligning the optical element in response to the projected reticle image.

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