sunnykseo followed a few years later, but Niépce's process was not sensitive enough to be practical for that application: a camera exposure lasting for hours or days was required In 1829 Niépce entered into a partnership with Louis Daguerre and the two collaborated to work out a similar but more sensitive and otherwise improved process.


[b][url]https://www.flickr.com/photos/137038374@N02/21681786403[[/url]/b]