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Consider a thick equi-convex lens (made of a material of refractive index 1.5) of the type
shown in Fig. 7.15 the magnitude of the radii of curvature of the two surfaces.is 4.cm, the
thickness of the lens is 1 cm and the lens is placed in air. Obtain the system matrix and
determine the focal length and the positions of unit planes.
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Fig. 7.15

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