Catadioptric system

Japanese: カタディオプトリック系 - かたでぃおぷとりっくけい
Catadioptric system

…(6) Catadioptric system An optical system consisting of only reflecting mirrors does not inherently have chromatic aberration, but it has a large coma aberration and a curved image surface. This drawback can be corrected by incorporating a refractive lens system, and the advantages are kept as much as possible. This is called a catadioptric system. The optical path is folded three times, and the total length of the lens can be made very short compared to the original focal length. …

*Some of the terminology explanations that refer to the "catadioptric system" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…(6)反射屈折系 反射鏡だけの光学系は本来色収差がないが,コマ収差が大きく,像面も湾曲する。この短所を,屈折レンズ系を混ぜることによって矯正し,長所はなるべく損なわないように保ったものが反射屈折系であり,カタディオプトリック系と呼ばれる。光路は三重に折りたたまれることになり,本来の焦点距離に比べるとレンズの全長を非常に短くできる。…

※「カタディオプトリック系」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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