Optical: systems and elements – Compound lens system – Telescope
Patent
1992-12-10
1994-04-19
Henry, Jon W.
Optical: systems and elements
Compound lens system
Telescope
359415, G02B 706, G02B 712, G02B 2300, G02B 2318
Patent
active
053051416
ABSTRACT:
A binocular comprising a binocular body, one or a pair of objective lens-barrel unit or units, a pair of eyepiece lens-barrels and a pair of image-erecting chambers. A pair of parallel optical axes pass through the objective lens-barrel unit or units. The image-erecting chambers are arranged between the objective lens-barrel unit or units and the eyepiece lens-barrels. The image-erecting chambers have incorporated therein their respective prism units for optically connecting the optical axes of the objective lens-barrel unit or units to respective optical axes of the eyepiece lens-barrel units. Each of the image-erecting chambers is associated with the binocular body for angular movement relative thereto about a corresponding one of the optical axes of the objective lens-barrel unit or units in such a manner that the optical axes of the respective eyepiece lens-barrel units are movable angularly toward and away from each other respectively about the optical axes of the objective lens-barrel unit or units.
REFERENCES:
patent: 1016315 (1912-02-01), Barton
patent: 1338241 (1920-05-01), Meling et al.
patent: 2534776 (1950-12-01), Kershaw et al.
patent: 3049972 (1962-08-01), Malinowski
patent: 3454773 (1969-07-01), Bulthius et al.
patent: 4087153 (1978-05-01), Hengst
patent: 4531817 (1988-07-01), Sato
patent: 4630901 (1986-12-01), Althenheiner et al.
Fujinon advertisig brochure, p. 13, shows large high-powered binoculars used for sightseeing.
Tamron Model SQ824 brochure.
Tasco advertising brochure, p. 4.
Asahi Kogaku Kogyo Kabushiki Kaisha
Henry Jon W.
Petori Kogyo Kabushiki Kaisha
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