1977-07-29
1978-07-18
Henry, Jon W.
350294, G02B 1706, G02B 2306
Patent
active
041011953
ABSTRACT:
A three-mirror telescope having an ellipsoidal primary mirror, a hyperbolic secondary mirror, and an ellipsoidal tertiary mirror, with the three producing an image in a conveniently located finite plane for viewing.
REFERENCES:
patent: 3674334 (1972-07-01), Offner
Gelles, App. Optics, vol. 12, No. 5, May, 1973, p. 935.
Frosch Robert A. Administrator of the National Aeronautics and Space
Korsch Dietrich G.
Henry Jon W.
Manning John R.
Porter George J.
Wofford, Jr. L. D.
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