Shape of the F at the wall of the camera obscura – GeoGebra
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This animation is part of my presentation at the Second International Prof. Dr. Fuat Sezgin Symposium on the History of Science in Islam in Istanbul. More information will become available at my website: Ibn al-Haytham and his apparatus for the observation of light. One of the museum object is a model of a camera obscura. The model uses a halogen lamp that produces divergent light. A halogen lamp close to the object, being a letter F cut out from a metal sheet, has different properties than sunlight. The animation focuses on the image of the F at the outside of the camera obscura. One might…
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