What question did this study set out to answer?

The study aims to develop methods for designing aspheric surfaces that achieve aplanatism in optical systems.

January 1, 1949

On the Theory of Aplanatic Aspheric Systems

Key Points

The study aims to develop methods for designing aspheric surfaces that achieve aplanatism in optical systems.
Describes techniques for designing two aspheric surfaces for any centred system.
Illustrates practical application through the design of a reflecting microscope.
Successfully designs aspheric surfaces that meet exact aplanatic conditions.

Abstract

Methods are described for the design of two aspheric surfaces for any given centred system, so as to achieve exact aplanatism. The practical application of the methods is illustrated by the design of a reflecting microscope.

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