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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Toroidal reflector ： ウィキペディア英語版 Toroidal reflector A toroidal mirror is a form of parabolic reflector which has a different focal distance depending on the angle of the mirror. The curvature is actually that of an elliptic paraboloid with $a\; \backslash ne\; b$. If the shape were that of a toroid, the mirror would exhibit spherical aberration. Toroidal mirrors are used in Yolo telescopes and optical monochromators. In these devices, the source and detectors of the light are not located on the optic axis of the mirror, so the use of a true paraboloid of revolution would cause a distorted image. ==See also== * List of telescope types 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Toroidal reflector」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.