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Leonardo da Vinci (1452-1519)

I say that if the front part of a building, or any open space, illuminated by the sun has a building in front of it, and that if in the building that is not illuminated by the sun we make a small and round hole, all the objects illuminated will project their images through that hole, and they will be visible inside the building, on the opposite wall, that must be white, and there they will appear inverted; and if you make similar holes in different places of the same wall, you will get identical results in each case. From this, we can say that the images of the illuminated objects are all over the wall and all of them are in every small part of it. The reason is that this hole must admit some light in the mentioned building, and the light admitted by that building derives from one or a lot of luminous bodies. If they have colours and shapes, the rays that form the images are from various colours and shapes, as it will also be the images on the wall.

Leonardo da Vinci

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Leonardo talked in this way about the dark camera in his text which title was “Showing how all the objects put in a position are everywhere and all of them in every place”. So he established the basis for the current photographic optical systems, recovering finds that there appear with Aristóteles and Alhazen. Lately, the lenses used in photographic cameras has been improved in a lot of aspects of brightness or luminosity, but they have never to overcome the aspect of the diaphanous representation of a pinhole dark camera.