NASA NTRS · 19760000046
Anamorphic lens for tracking system
Abstract
Lens has 2:1 focal-length ratio, consists of three spherical and two cylindrical elements, and is 7.6 cm in length. When used in conjunction with image dissector tube, expected root-mean-square noise equivalent angle is approximately 8 arc seconds.
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Burns, R. H., Schmidt, L. F.. 1976-03-01. Anamorphic lens for tracking system. https://ntrs.nasa.gov/citations/19760000046
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