LARGE-APERTURE LENS Russian patent published in 2010 - IPC G02B9/62

Abstract RU 2388027 C1

FIELD: physics, optics.

SUBSTANCE: objective lens can be used in devices and in matrix receivers. The objective lens has six separate lenses grouped into two groups consisting of two and four lenses. The first lens on the path of the beam is biconvex, the second is biconcave, the third is biconvex, the forth is convexo-plane, the fifth is biconcave and the sixth is biconvex.

EFFECT: design of a short-focus lens with large aperture ratio and good image quality.

1 dwg, 2 tbl

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RU 2 388 027 C1

Authors

Grudzino Jurij Borisovich

Dates

2010-04-27—Published

2009-03-03—Filed