OCULAR Russian patent published in 2004 - IPC

Abstract RU 2239213 C2

FIELD: optics.

SUBSTANCE: device has two components, first of which along beams path is two-lens, glued together of negative meniscus directed by convex portion to object and first biconvex lens, second component - second biconvex lens. Between radiuses of optical surfaces, refraction coefficients and focus distance of ocular certain relations are true, which are presented in invention formula.

EFFECT: higher adaptability to manufacture with high image quality.

1 dwg

Similar patents RU2239213C2

Title	Year	Author	Number
OCULAR	2008	Shcheglov Sergej Ivanovich Zubok Svetlana Nikolaevna Drjagin Sergej Gennadievich	RU2364901C1
EYE-PIECE	2005	Chistov Evgenij Fedorovich Shcheglov Sergej Ivanovich	RU2302024C1
EYEPIECE	2016	Shcheglov Sergej Ivanovich	RU2631535C1
EYEPIECE	2002	Shcheglov S.I.	RU2229150C1
RAPID EYEPIECE WITH REMOVABLE EXIT PUPIL	2018	Voronenskaya Tatyana Sergeevna	RU2681246C1
THREE-ELEMENT LENS WITH REMOTE ENTRANCE PUPIL	2005	Zubok Svetlana Nikolaevna Shcheglov Sergej Ivanovich	RU2281535C1
FOUR-ELEMENT LENS	2010	Byshkin Sergej Borisovich Shcheglov Sergej Ivanovich Zubok Svetlana Nikolaevna	RU2445657C1
OBJECTIVE	2005	Chistov Evgenij Fedorovich Shcheglov Sergej Ivanovich	RU2304795C1
TWO-LENS OBJECTIVE	2006	Zarubin Vladimir Petrovich Shcheglov Sergej Ivanovich	RU2316795C1
FOUR-ELEMENT LENS	2009	Byshkin Sergej Borisovich Shcheglov Sergej Ivanovich Zubok Svetlana Nikolaevna	RU2412455C1

RU 2 239 213 C2

Authors

Shcheglov S.I.

Dates

2004-10-27—Published

2002-12-27—Filed