Optical: systems and elements – Compound lens system – Telescope
Patent
1997-02-19
2000-03-14
Spyrou, Cassandra
Optical: systems and elements
Compound lens system
Telescope
359364, 359433, 359554, 359557, 359646, 359726, 359728, G02B 2300, G02B 1700, G02B 2764, G02B 2500
Patent
active
060380683
ABSTRACT:
An aberration correction system having a first lens disposed at an object side; and a second lens disposed at an image side, wherein the first and second lenses have different dispersions (Abbe numbers) with respect to each other, the surface of the object side of the first lens and the surface of the image side of the second lens which is adjacent to the image have substantially common center of curvature and the first and second lenses rotate around the center of curvature.
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patent: 5177605 (1993-01-01), Takahashi et al.
patent: 5182671 (1993-01-01), Kitagishi et al.
Seymour Rosin, Richey Chretien Corrector System--Applied Optics, Apr. 1966, vol. 5, No. 4, pp. 675-676.
Su Ding-qiang, A New Type of Field Corrector, Astronomy and Astrophysics 156, Oct. 19, 1985, pp. 381-385.
Wang Ya-nan and Su Ding-qiang, Some New Lens-Prism Correctors for Prime Focus, Astronomy and Astrophysics 232, Nov. 3, 1989, pp. 589-602.
Ban Mikichi
Matsui Yoshiya
Nariai Kyoji
Takeshi Kunio
Canon Kabushiki Kaisha
Chang Audrey
Spyrou Cassandra
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