EYEPIECE WITH PINHOLE EXIT PUPIL Russian patent published in 2011 - IPC G02B25/00 

Abstract RU 2427864 C1

FIELD: physics.

SUBSTANCE: eyepiece has four components in the direction of the beam path. The first component is in form of a negative meniscus 1, whose concave surface faces the object space. The second component is in form of a plane-convex lens 2, whose flat surface faces the object space. The third component comprises a biconcave 3 and a biconvex lens 4 glued together, and the convex surface of this component faces the exit pupil. The fourth component is in form of a plane-convex lens whose convex surface faces the exit pupil.

EFFECT: improved design.

5 dwg, 1 tbl

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RU 2 427 864 C1

Authors

Shishkin Igor' Petrovich

Dates

2011-08-27Published

2009-12-28Filed