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Iris (diaphragm) : ウィキペディア英語版 | Iris (diaphragm)
An iris is a mechanism that is used as a compact solution to close and open holes. It is made up of usually a series of metal plates that can fold in on each other or expand out. Iris mechanisms are commonly found in optical shutters (diaphragms). Irises are sometimes used in science fiction as doors. ==See also==
*Leaf shutter
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「Iris (diaphragm)」の詳細全文を読む
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