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View from the Window at Le Gras : ウィキペディア英語版 | View from the Window at Le Gras
''View from the Window at Le Gras'' is the oldest surviving camera photograph. It was created by Nicéphore Niépce in 1826 or 1827 at Saint-Loup-de-Varennes, France, and shows parts of the buildings and surrounding countryside of his estate, ''Le Gras'', as seen from a high window. ==Creation== Niépce captured the scene with a camera obscura focused onto a pewter plate thinly coated with Bitumen of Judea, a naturally occurring asphalt.〔(【引用サイトリンク】 The First Photograph )〕 The bitumen hardened in the brightly lit areas, but in the dimly lit areas it remained soluble and could be washed away with a mixture of oil of lavender and white petroleum.〔 A very long exposure in the camera was required. Sunlight strikes the buildings on opposite sides, suggesting an exposure that lasted about eight hours, which has become the traditional estimate. A researcher who studied Niépce's notes and recreated his processes found that the exposure must have continued for several days.〔(Niépce House Museum: Invention of Photography, Part 3 ). Retrieved 25 May 2013.〕
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「View from the Window at Le Gras」の詳細全文を読む
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