-
Camera obscura
The camera obscura was iinvented in the 17th century in China by Alhazen. If light is passed through a small hole made in the wall of a dark room, an image of the outside scene is made on the wall. -
Camera obscura (second version)
The second version of camera obscura was invented iin 1826 in France by Nicéphore Niepce. He covered a sheet of metal with tar, put it in a box with lens and pointed it out of the window -
The daguerrotype
The daguerrotype was invented in 1839 in France by Louis Daguerre. You could take pictures in 15 minutes but only one photo could be taken at a time. -
Negative
The negative was invented iin 1870 in England by Wiliam Fox Talbot. From a negative, unlimited copies could be made of the picture.