1839年,法国科学院正式宣布世界上第一个实用摄影方法研究成功,这就是巴黎著名画家M·达盖尔(Mande Daguerre)发明的、曾于十九世纪中期在各国流行了十多年之久的“达盖尔式摄影法”(Daguerreotype Process).因此,在摄影史上,一般都认为摄影是发明于1839年.实际上,现 In 1839, the French Academy of Sciences formally announced the successful study of the world’s first practical photographic method, which was invented by the famous Parisian painter Mande Daguerre. It was popular in all countries for more than a decade in the mid-nineteenth century Daguerreotype Process. "Therefore, in the history of photography, photography was generally considered to have been invented in 1839. In fact,