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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 Pinspeck camera ： ウィキペディア英語版 Pinspeck camera A pinspeck camera is the optical reverse of a pinhole camera: a small (point-like) obstruction (the speck) is placed in front of the film where the (pin) hole would be in a pinhole camera. (The dark screen is “replaced” by the transparent nothing around the speck.) Whereas in a pinhole camera the hole allows rays of light from different parts of the scene to reach different parts of the film, the obstruction in the pinspeck camera causes the ''shadow'' of different points in the scene to fall on different points on the film. The result is a negative image. ==External links== * (Jearl Walker ''The Pleasure of the Pin Hole Camera and Its Relative the Pinspeck Camera'' ) * Adam Lloyd Cohen ''Anti-pinhole imaging'' Optica Acta: International Journal of Optics Volume 29, Issue 1, 1982 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「Pinspeck camera」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.