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12 September 2007Lens centering using the Point Source Microscope
Precision lens centering is necessary to obtain the maximum performance from a centered lens system. A technique
to achieve precision centering is presented that incorporates the simultaneous viewing through the upper lens surface
of the centers of curvature of each element as it is assembled in a lens barrel. This permits the alignment of the
optical axis of each element on the axis of a precision rotary table which is taken as the axis of the assembly.
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Robert E. Parks, "Lens centering using the Point Source Microscope," Proc. SPIE 6676, Optical System Alignment and Tolerancing, 667603 (12 September 2007); https://doi.org/10.1117/12.726837