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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 Copyscope ： ウィキペディア英語版 Copyscope A Copyscope is a home-made refracting telescope in which the objective lens comes from a photocopy machine. The lenses usually come from defective or very old photocopiers, as this means that the objective can be acquired for free or for very little money. They are usually small aperture lenses, ranging from 50mm to 60mm, and are also of short focal length, making good use as a portable, wide-field telescope, but unsuitable for higher magnifications. The building of a Copyscope was described in the May 1986 issue of ''Astronomy Magazine'' by Ken Bird. Bird used surplus copy lens of from 200 to 300 mm focal lengths along with PVC pipe components for the tube and lens holder. ==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「Copyscope」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.