JPS6239724B2 - - Google Patents

Info

Publication number
JPS6239724B2
JPS6239724B2 JP55156753A JP15675380A JPS6239724B2 JP S6239724 B2 JPS6239724 B2 JP S6239724B2 JP 55156753 A JP55156753 A JP 55156753A JP 15675380 A JP15675380 A JP 15675380A JP S6239724 B2 JPS6239724 B2 JP S6239724B2
Authority
JP
Japan
Prior art keywords
lens
eyepiece
curvature
lenses
focal length
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP55156753A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5685723A (en
Inventor
Naaguraa Arubaato
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of JPS5685723A publication Critical patent/JPS5685723A/ja
Publication of JPS6239724B2 publication Critical patent/JPS6239724B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B25/00—Eyepieces; Magnifying glasses
    • G02B25/001—Eyepieces

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
JP15675380A 1979-11-07 1980-11-07 Astronomical telescope lens Granted JPS5685723A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/091,972 US4286844A (en) 1979-11-07 1979-11-07 Ultrawide angle flat field eyepiece

Publications (2)

Publication Number Publication Date
JPS5685723A JPS5685723A (en) 1981-07-13
JPS6239724B2 true JPS6239724B2 (US20100012521A1-20100121-C00001.png) 1987-08-25

Family

ID=22230561

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15675380A Granted JPS5685723A (en) 1979-11-07 1980-11-07 Astronomical telescope lens

Country Status (2)

Country Link
US (1) US4286844A (US20100012521A1-20100121-C00001.png)
JP (1) JPS5685723A (US20100012521A1-20100121-C00001.png)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57128326A (en) * 1981-01-31 1982-08-09 Olympus Optical Co Ltd Finder optical system
FR2535860B1 (fr) * 1982-11-10 1986-02-28 Trt Telecom Radio Electr Loupe bioculaire
CH661801A5 (de) * 1983-09-19 1987-08-14 Ludvik Dr Canzek Lupe.
US4525035A (en) * 1984-01-05 1985-06-25 Albert Nagler Wide angle eyepiece
US4720183A (en) * 1986-02-27 1988-01-19 Optical Systems Design, Inc. Extreme wide angle eyepiece with minimal aberrations
US4747675A (en) * 1987-06-01 1988-05-31 Albert Nagler Ultra wide-angle eyepiece
JP3401343B2 (ja) * 1993-12-28 2003-04-28 ペンタックス株式会社 リヤコン付き望遠鏡及びそのリヤコンバージョンレンズ
US5973847A (en) * 1994-05-19 1999-10-26 Canon Kabushiki Kaisha Eyepiece lens
JPH0836140A (ja) * 1994-07-22 1996-02-06 Olympus Optical Co Ltd 広視野接眼レンズ
JPH0876032A (ja) * 1994-09-07 1996-03-22 Nikon Corp 広視界接眼レンズ
JP3518704B2 (ja) * 1995-06-22 2004-04-12 株式会社ニコン 接眼レンズ
JPH0954256A (ja) * 1995-08-10 1997-02-25 Nikon Corp 接眼レンズ
JP3541285B2 (ja) * 1995-09-21 2004-07-07 株式会社ニコン 接眼レンズ
TWI264561B (en) * 2005-04-01 2006-10-21 Asia Optical Co Inc Telescope optical system
AT502229B1 (de) 2005-07-20 2007-05-15 Swarovski Optik Kg Fernoptische einrichtung
JP5912769B2 (ja) 2012-03-30 2016-04-27 株式会社 ニコンビジョン 接眼レンズ及び光学機器
US10067334B2 (en) 2016-04-27 2018-09-04 Tele Vue Optics, Inc. Optical magnifier
JP7012055B2 (ja) * 2019-11-01 2022-01-27 株式会社タムロン 光学系及び光学機器

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3586418A (en) * 1968-03-27 1971-06-22 Minolta Camera Kk Wide-angle eyepiece lens system
US3807835A (en) * 1972-09-05 1974-04-30 American Optical Corp Four component microscope eyepiece
US3867018A (en) * 1972-09-11 1975-02-18 American Optical Corp Five component microscope eyepiece

Also Published As

Publication number Publication date
JPS5685723A (en) 1981-07-13
US4286844A (en) 1981-09-01

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