The world's first photograph took at least eight hours of exposure time. Titled View from the Window at Le Gras, this collage of dots and smudges was taken in 1826 (or possibly 1827) by amateur ...
The exposure of Nicéphore Niépce’s first photograph, in the sense that would have been understood for the first 60 years of photography, was several days. I will trace the subsequent evolution of its ...