2 September 2008 Line of sight methods of alignment
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Abstract
Three methods of line of sight alignment are compared and contrasted for ease of use, accuracy of alignment and cost of equipment and fixtures. The three methods are the classical use of an alignment telescope, use of a laser beam to establish an axis, something impossible until the invention of the CW laser, and an autostigmatic microscope used in conjunction with mechanical means to establish an axis or points in space. While the method of choice is usually a pragmatic one of using the equipment at hand, this paper will demonstrate the flexibility of the autostigmatic microscope approach.
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Robert E. Parks, "Line of sight methods of alignment", Proc. SPIE 7068, Optical System Alignment and Tolerancing II, 70680B (2 September 2008); doi: 10.1117/12.796911; https://doi.org/10.1117/12.796911
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