History of Camera Invention

Hi all steemian. let's learn about camera scientists.

Ibn al-Haitham (Alhacen, according to the western tongue), a revolutionary figure in the field of optics who conducts substantiation of subjects being discussed philosophically into actual science based on experiments.

Ibn al-Haitham rejects the Greek idea that there is an invisible light emitted from the eye that causes vision, and verbally states that vision is caused by light reflecting objects and entering the eye..

By using a dark room with a pinhole on one side and a white sheet on the other, he gives proof of his theory. The light enters through the hole and projectes an inverted image of objects outdoors over opposite sheets. He calls this "qamara". It was the first camera obscura in the world..

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