FR2319915A1 - Oculaire a trois elements d'un grossissement de 12 x - Google Patents

Oculaire a trois elements d'un grossissement de 12 x

Info

Publication number
FR2319915A1
FR2319915A1 FR7613698A FR7613698A FR2319915A1 FR 2319915 A1 FR2319915 A1 FR 2319915A1 FR 7613698 A FR7613698 A FR 7613698A FR 7613698 A FR7613698 A FR 7613698A FR 2319915 A1 FR2319915 A1 FR 2319915A1
Authority
FR
France
Prior art keywords
magnification
element eyepiece
eyepiece
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.)
Granted
Application number
FR7613698A
Other languages
English (en)
French (fr)
Other versions
FR2319915B1 (en:Method
Inventor
Arthur H Shoemaker
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.)
American Optical Corp
Original Assignee
American Optical Corp
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 American Optical Corp filed Critical American Optical Corp
Publication of FR2319915A1 publication Critical patent/FR2319915A1/fr
Application granted granted Critical
Publication of FR2319915B1 publication Critical patent/FR2319915B1/fr
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)
  • Eyeglasses (AREA)
FR7613698A 1975-08-01 1976-05-07 Oculaire a trois elements d'un grossissement de 12 x Granted FR2319915A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/600,986 US3975088A (en) 1975-08-01 1975-08-01 Three element eyepiece with magnification of 12X

Publications (2)

Publication Number Publication Date
FR2319915A1 true FR2319915A1 (fr) 1977-02-25
FR2319915B1 FR2319915B1 (en:Method) 1978-05-19

Family

ID=24405845

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7613698A Granted FR2319915A1 (fr) 1975-08-01 1976-05-07 Oculaire a trois elements d'un grossissement de 12 x

Country Status (8)

Country Link
US (1) US3975088A (en:Method)
JP (1) JPS5218341A (en:Method)
AT (1) AT349233B (en:Method)
CA (1) CA1047811A (en:Method)
DE (1) DE2618412C2 (en:Method)
FR (1) FR2319915A1 (en:Method)
GB (1) GB1480731A (en:Method)
HK (1) HK21081A (en:Method)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5272242A (en) * 1975-12-12 1977-06-16 Nippon Chemical Ind Wide angle eyeepiece
JPH05215974A (ja) * 1992-01-31 1993-08-27 Nikon Corp 非球面接眼レンズ
US5386312A (en) * 1992-08-03 1995-01-31 Hughes Aircraft Company Collimating lens having doublet element between positive-power elements
US5973847A (en) * 1994-05-19 1999-10-26 Canon Kabushiki Kaisha Eyepiece lens
JPH09218358A (ja) * 1995-12-07 1997-08-19 Olympus Optical Co Ltd 接眼レンズ系
JPH09251130A (ja) * 1996-03-14 1997-09-22 Nikon Corp 広視野接眼レンズ
RU2212700C1 (ru) * 2002-07-02 2003-09-20 Открытое акционерное общество "Красногорский завод им. С.А.Зверева" Окуляр с удаленным зрачком
RU2239214C2 (ru) * 2002-12-30 2004-10-27 Открытое акционерное общество "Красногорский завод им. С.А. Зверева" Окуляр с вынесенным входным зрачком
WO2007037267A1 (ja) 2005-09-27 2007-04-05 Jtekt Corporation 転がり軸受用保持器、玉軸受およびころ軸受
JP6060808B2 (ja) * 2013-05-15 2017-01-18 リコーイメージング株式会社 接眼光学系
CN106773008B (zh) * 2016-11-18 2020-02-21 玉晶光电(厦门)有限公司 目镜光学系统
CN213715595U (zh) * 2020-12-17 2021-07-16 中山市美景光学信息有限公司 一种便携式zoom变倍显微镜

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3888567A (en) * 1974-05-01 1975-06-10 American Optical Corp 10X three element eyepiece

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Also Published As

Publication number Publication date
FR2319915B1 (en:Method) 1978-05-19
DE2618412A1 (de) 1977-02-10
AT349233B (de) 1979-03-26
ATA302176A (de) 1978-08-15
DE2618412C2 (de) 1985-08-29
CA1047811A (en) 1979-02-06
HK21081A (en) 1981-05-29
JPS5218341A (en) 1977-02-10
GB1480731A (en) 1977-07-20
US3975088A (en) 1976-08-17

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse