FIELD: physics.
SUBSTANCE: lens structure having composite front and back surfaces is made. Optical characteristics of the lens structure given at the previous step are determined. A second lens structure having at least one simple surface is made and the second lens structure is redefined such that elevation parameters of said lens provide it with optical characteristics obtained at the previous steps. At least one surface of said lens is a simple surface and the last step is an iteration process.
EFFECT: obtaining lenses having a simple surface which are equivalent to lenses having two composite surfaces on optical characteristics.
14 cl, 9 dwg
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