Geometrical optics uses light rays to describe image formation by spherical surfaces, lenses, mirrors, and optical instruments. Let us consider the real image of a real object, produced by a positive thin lens. Cones of light are assumed to diverge from each object point to the lens. There the cones of light are transformed into converging beams traveling to the corresponding real image points.
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© 2007 Springer Science+Business Media, LLC
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(2007). Geometrical Optics. In: Optics. Springer, New York, NY. https://doi.org/10.1007/978-0-387-69492-4_1
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DOI: https://doi.org/10.1007/978-0-387-69492-4_1
Publisher Name: Springer, New York, NY
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