How was the camera obscura invented?

"Camera Obscura" means "dark room", and the use of a pinhole in a window blind to form an inverted image of an outside scene on an opposite wall of a dark room has been known since at least the time of the Arab scholar Ibn al ... The box form of Camera Obscura shown at the right was invented by Johann Zahn in 1685. read more

The camera obscura box was developed further into the photographic camera in the first half of the 19th century when camera obscura boxes were used to expose light-sensitive materials to the projected image. read more

First one to do so was Alhazen (also known as Ibn al-Haytham) in 11th century. He was a scientist, mathematician, astronomer and philosopher, he wrote the Book of Optics and, among other things, he invented camera obscura and pinhole camera. At about the same time, Chinese scientist Shen Kuo experimented with a camera obscura. read more

Camera obscura (Latin for"dark room") is the natural optical phenomenon that occurs when an image of a scene at the other side of a screen (or for instance a wall) is projected through a small hole in that screen and forms an inverted image (left to right and upside down) on a surface opposite to the opening. read more