TELESCOPIC SYSTEM Russian patent published in 1998 - IPC

Abstract RU 2106004 C1

FIELD: optical instrumentation engineering. SUBSTANCE: negative 1 and positive 2 menisci facing the object with their concavity are positioned in objective in front of first positive lens. Flat-convex lens 5 is positioned behind negative lens. Second component of objective is glued of negative meniscus 7 facing the image with its concavity and biconvex lens 8. Thickness of both biconvex objective lenses 6, 8 is within 0.5-1.0 of objective focal distance. EFFECT: more efficient construction. 2 dwg, 2 tbl

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RU 2 106 004 C1

Authors

Anitropova-Livshits Irina Leonidovna

Bronshtejn Igor' Grigor'Evich

Dates

1998-02-27—Published

1996-06-18—Filed