LIGHT-POWERED MIRROR-LENS OBJECTIVE FOR STRAIGHT DISPLAYING OF NIGHT-VISION DEVICES Russian patent published in 2005 - IPC

Abstract RU 2244331 C1

FIELD: optics.

SUBSTANCE: objective has six component. First - biconvex lens, second - special negative lens, third - positive meniscus, fourth - biconvex specific lens, fifth - positive lens, sixth - positive meniscus. Sixth and third components are directed to each other by convex portions. Third, fifth and sixth components are a triplet with increased air space between third an fifth components.

EFFECT: higher image quality, lesser dimensions.

1 dwg

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RU 2 244 331 C1

Authors

Medvedev A.V.

Popov A.G.

Dates

2005-01-10—Published

2003-05-26—Filed