DE3122284A1 - "fotoobjektiv geringer groesse" - Google Patents

"fotoobjektiv geringer groesse"

Info

Publication number
DE3122284A1
DE3122284A1 DE19813122284 DE3122284A DE3122284A1 DE 3122284 A1 DE3122284 A1 DE 3122284A1 DE 19813122284 DE19813122284 DE 19813122284 DE 3122284 A DE3122284 A DE 3122284A DE 3122284 A1 DE3122284 A1 DE 3122284A1
Authority
DE
Germany
Prior art keywords
lens
refractive power
counting
convex
positive refractive
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
DE19813122284
Other languages
German (de)
English (en)
Inventor
Keiji Yokohama Kanagawa Ikemori
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Publication of DE3122284A1 publication Critical patent/DE3122284A1/de
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
    • G02B9/34—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having four components only
    • G02B9/36—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having four components only arranged + -- +
    • G02B9/38—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having four components only arranged + -- + both - components being meniscus
    • G02B9/40—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having four components only arranged + -- + both - components being meniscus one - component being compound
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
    • G02B9/60—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having five components only

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
DE19813122284 1980-06-06 1981-06-04 "fotoobjektiv geringer groesse" Granted DE3122284A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7641980A JPS572013A (en) 1980-06-06 1980-06-06 Small-sized lens for photograph

Publications (1)

Publication Number Publication Date
DE3122284A1 true DE3122284A1 (de) 1982-06-09

Family

ID=13604669

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19813122284 Granted DE3122284A1 (de) 1980-06-06 1981-06-04 "fotoobjektiv geringer groesse"

Country Status (4)

Country Link
US (1) US4376571A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS572013A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3122284A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB2078390B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4671626A (en) * 1984-03-21 1987-06-09 Minolta Camera Kabushiki Kaisha Photographic lens system
JP2000171701A (ja) 1998-09-30 2000-06-23 Fuji Photo Optical Co Ltd 変形ガウス型レンズ
US10921557B2 (en) * 2017-04-12 2021-02-16 Zhejiang Sunny Optical Co., Ltd Optical imaging system of camera lens assembly
CN111290099B (zh) * 2018-12-10 2022-08-23 信泰光学(深圳)有限公司 成像镜头
JP7584267B2 (ja) * 2020-10-02 2024-11-15 マクセル株式会社 結像レンズ系及び撮像装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2720139A (en) * 1953-02-27 1955-10-11 Voigtlaender Ag Four-membered photographic objective
CH486037A (de) * 1969-08-28 1970-02-15 J Th Dr Ing Wiedemann Erwin Photographisches Objektiv
GB1385723A (en) * 1971-05-24 1975-02-26 Asahi Optical Co Ltd Photographic objective

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2319171A (en) * 1940-12-02 1943-05-11 Taylor Taylor & Hobson Ltd Optical objective
JPS5441129A (en) * 1977-09-07 1979-04-02 Minolta Camera Co Ltd Modified gauss type photographic lens
JPS5451826A (en) * 1977-10-01 1979-04-24 Olympus Optical Co Ltd Photographic lens
JPS54104335A (en) * 1978-02-02 1979-08-16 Fuji Photo Optical Co Ltd Modified gaussian lens
JPS55100520A (en) * 1979-01-26 1980-07-31 Ricoh Co Ltd Magnifying image formation lens

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2720139A (en) * 1953-02-27 1955-10-11 Voigtlaender Ag Four-membered photographic objective
CH486037A (de) * 1969-08-28 1970-02-15 J Th Dr Ing Wiedemann Erwin Photographisches Objektiv
GB1385723A (en) * 1971-05-24 1975-02-26 Asahi Optical Co Ltd Photographic objective

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
M. Berek, Grundlagen der praktischen Optik, 1930, S. 7-9 *
M. Berek, Grundlagen der praktischen Optik, 1930, S. 94 u. 95 *

Also Published As

Publication number Publication date
JPS623927B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1987-01-28
JPS572013A (en) 1982-01-07
GB2078390A (en) 1982-01-06
US4376571A (en) 1983-03-15
GB2078390B (en) 1984-04-18

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition