Optics pp 1-77 | Cite as

Geometrical Optics

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.


Spherical Surface Virtual Object Virtual Image Image Distance Image Focus 
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© Springer Science+Business Media, LLC 2007

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