Optical: systems and elements – Lens – With reflecting element
Patent
1995-09-26
1998-11-24
Nguyen, Thong
Optical: systems and elements
Lens
With reflecting element
359363, 359725, 250353, G02B 1700, G02B 1306
Patent
active
058415890
ABSTRACT:
An optics assembly for observing a panoramic scene comprises a plurality of optical elements. A flat reflective element redirects light from a panoramic scene. A plurality of refractive elements, successively receive the redirected light from the reflective element and create a real pupil. An optical relay system receives light from a last of the plurality of refractive elements. The optical relay system establishes the focal length of the optics assembly, corrects optical aberrations produced at the real pupil, corrects field aberrations and produces an annular image on a flat focal plane assembly. The optics assembly produces a small F-number at field angles perpendicular to the optical axis of the optics assembly over a panoramic scene.
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"Lens Desgn"by Milton Laikin, Laikin Optical Corporation, title page, Fig. 9-5 and p. 98.
Castle Kenneth R.
Davis John E.
Ruda Mitchell
Stuhlinger Tilman W.
Todd Marion N.
Boeing North American Inc.
Ginsberg Lawrence N.
Nguyen Thong
Silberberg Charles T.
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