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From Wikipedia:

Johann Zahn

Johann Zahn was the seventeenth-century German author of Oculus Artificialis Teledioptricus Sive Telescopium. This work contains many descriptions and diagrams, illustrations and sketches of both the camera obscura and magic lantern, along with various other lanterns, slides, projection types, peepshow boxes, microscopes, telescopes, reflectors, and lenses. As a student of light, Zahn is considered the most prolific writer and illustrator of the camera... Read More

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