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Diopter (disambiguation) : ウィキペディア英語版 | Diopter (disambiguation)
In modern usage, diopter or dioptre is a measure of the refractive power of an optical system. Diopter may also refer to: *Historically, a dioptric lens *Any lens system, such as a telescope *A diopter sight *A close-up lens used in photography *A theodolite or similar surveyor's angle measuring device *A dioptra, an old surveying device *An alidade *A surgical speculum *An instrument for drawing the skull by projections ==See also==
*Dioptrice *Dioptrics
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「Diopter (disambiguation)」の詳細全文を読む
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