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Spherical aberration and coma in convex lenses may be much reduced by 'bending the lens' to a near planoconvex shape. Chromatic aberration is minimized by cementing a high index convex lens to a low index concave lens to make a converging achromatic doublet in which the dispersions of the two glasses cancel one another. 4

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A Shack cube is a simple cube beamsplitter with a high quality plano convex lens (PCX) cemented on the mirror side of the cube. The front convex surface is the only critical one. The lens and cube must be of the same glass types. The radii of the lens should converge at the input and output surfaces of the cube.

Get Price### Which type of mirror is most similar to a convex lens - Answers

Oct 23 2012 · Which lens is a converging lens a double-convex lens or a spherical-convex lens or a plano-concave lens or a convexo-concave lens? ... A simple microscope similar to a magnifying lens.

Get Price### Focal length of plano convex lens Physics Forums

Jun 23 2006 · # Diameter of a Plano-convex lens is 6 cm and the thickness at the center is 3 mm. If the speed of light in the material of the lens is 2 x 10^8 m/sec what is the focal length of the lens? I solved it in the following way: Let R be the radius of curvature of the convex surface. Given that AB = 3 mm ...

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