MONOCHROMATIC LENS Russian patent published in 1994 - IPC

Abstract RU 2017178 C1

FIELD: optical instrument engineering. SUBSTANCE: objective has single positive lens, made to be flat convex with aspheric convex surface, which is given by the relation, described in the invention. EFFECT: improved efficiency. 2 dwg

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RU 2 017 178 C1

Authors

Andreev L.N.

Kudrjavtseva V.A.

Soboleva T.A.

Dates

1994-07-30—Published

1991-05-28—Filed