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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 Carl Kellner (optician) ： ウィキペディア英語版 Carl Kellner (optician) Carl Kellner (March 26, 1826 – May 13, 1855) was a German mechanic and self-educated mathematician who founded in 1849 an "Optical Institute" that later became the Leitz company, makers of the Leica cameras. == Biography == Carl Kellner was born in Hirzenhain, Wetteraukreis, in Hesse. In 1849 he founded in Wetzlar a company called ''"Optisches Institut"'' for the production of lenses and microscopes. Kellner had invented a new achromatic combination of lenses for an eyepiece, published in his treatise ''Das orthoskopische Ocular, eine neu erfundene achromatische Linsencombination'', that was able to produce an image with correct perspective and without the distortions that were usual for other optical instruments of the time. His invention is still useful and known as the Kellner eyepiece. 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「Carl Kellner (optician)」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.