Abstract: The invention relates to an optical-instrument making industry, namely, to optical sights used for small arms shooting. The technical result, which the claimed invention is intended to achieve, is a simpler design while maintaining functional capabilities and, correspondingly, increased reliability and a decreased cost of the product overall.
Type:
Grant
Filed:
April 1, 2014
Date of Patent:
February 13, 2018
Assignee:
RusOpticalSystem LTD
Inventors:
Pavel Andreevich Blagov, Evgeny Viktorovich Tsivilev
Abstract: An optical sight ensures a more accurate aim at feebly discernible targets in the twilight and in dull weather. The sight includes an objective, a reticule, an erecting system consisting of a first and a second positive component, each of which is cemented of two lenses, and an eyepiece. The sight also includes a beam-splitting cube, the beam-splitting face made as a diagonal face, three mirrors and a third positive component cemented of two lenses, a first plane mirror parallel to the beam-splitting face of the cube on the same axis with the third positive component, a second plane mirror perpendicular to the first mirror in front of a focal plane of the eyepiece, and a third mirror tilted to the optical axis and faced with its reflective surface toward the eyepiece arranged between the eyepiece focal plane and the second component of the erecting system.
Type:
Grant
Filed:
September 23, 2011
Date of Patent:
May 12, 2015
Assignee:
RusOpticalSystem, Ltd.
Inventors:
Pavel Andreevich Blagov, Evgeny Viktorovich Tsivilev
Abstract: The invention relates to an optical instrument-making industry, namely, to optical sights used for small arms shooting. The technical result of the sight according to the invention is to ensure a more accurate aiming at feebly discernable targets in the twilight and in dull weather.
Type:
Application
Filed:
September 23, 2011
Publication date:
November 21, 2013
Applicant:
RusOpticalSystem. Ltd.
Inventors:
Pavel Andreevich Blagov, Evgeny Viktorovich Tsivilev