JPS6155088B2 - - Google Patents

Info

Publication number
JPS6155088B2
JPS6155088B2 JP52142168A JP14216877A JPS6155088B2 JP S6155088 B2 JPS6155088 B2 JP S6155088B2 JP 52142168 A JP52142168 A JP 52142168A JP 14216877 A JP14216877 A JP 14216877A JP S6155088 B2 JPS6155088 B2 JP S6155088B2
Authority
JP
Japan
Prior art keywords
lens
group
focusing
group lens
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
JP52142168A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5476148A (en
Inventor
Toshihiro Imai
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.)
Olympus Corp
Original Assignee
Olympus Optical Co Ltd
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 Olympus Optical Co Ltd filed Critical Olympus Optical Co Ltd
Priority to JP14216877A priority Critical patent/JPS5476148A/ja
Priority to GB7845408A priority patent/GB2011642B/en
Priority to US05/963,366 priority patent/US4204747A/en
Priority to DE2851689A priority patent/DE2851689C2/de
Publication of JPS5476148A publication Critical patent/JPS5476148A/ja
Publication of JPS6155088B2 publication Critical patent/JPS6155088B2/ja
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 -
    • G02B9/60—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having five components only
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/02—Telephoto objectives, i.e. systems of the type + - in which the distance from the front vertex to the image plane is less than the equivalent focal length

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
JP14216877A 1977-11-29 1977-11-29 Focusing method for photo graphic lens Granted JPS5476148A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP14216877A JPS5476148A (en) 1977-11-29 1977-11-29 Focusing method for photo graphic lens
GB7845408A GB2011642B (en) 1977-11-29 1978-11-21 Method of focussing in a photographic lens system
US05/963,366 US4204747A (en) 1977-11-29 1978-11-24 Method of focussing in a photographic lens system
DE2851689A DE2851689C2 (de) 1977-11-29 1978-11-29 Fotografisches Objektiv für Kompaktkameras

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14216877A JPS5476148A (en) 1977-11-29 1977-11-29 Focusing method for photo graphic lens

Publications (2)

Publication Number Publication Date
JPS5476148A JPS5476148A (en) 1979-06-18
JPS6155088B2 true JPS6155088B2 (instruction) 1986-11-26

Family

ID=15308929

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14216877A Granted JPS5476148A (en) 1977-11-29 1977-11-29 Focusing method for photo graphic lens

Country Status (4)

Country Link
US (1) US4204747A (instruction)
JP (1) JPS5476148A (instruction)
DE (1) DE2851689C2 (instruction)
GB (1) GB2011642B (instruction)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6038687B2 (ja) * 1979-12-25 1985-09-02 キヤノン株式会社 全長の短い広角写真用レンズ
JPS5694317A (en) * 1979-12-27 1981-07-30 Canon Inc Photographic lens of small size
JPS5695207A (en) * 1979-12-28 1981-08-01 Nippon Kogaku Kk <Nikon> Compact wide angle lens
US4429958A (en) 1980-03-24 1984-02-07 Minolta Camera Kabushiki Kaisha Relatively wide angle telephoto type lens system
JPS5730814A (en) * 1980-07-17 1982-02-19 Olympus Optical Co Ltd Photographic lens
JPS57165809A (en) * 1981-04-06 1982-10-13 Minolta Camera Co Ltd Telephoto lens system
JPS5833211A (ja) * 1981-08-21 1983-02-26 Canon Inc 小型の写真レンズ
US4576448A (en) * 1982-06-16 1986-03-18 Olympus Optical Co., Ltd. Photographic lens system for compact cameras
JPS5983121A (ja) * 1982-11-04 1984-05-14 Konishiroku Photo Ind Co Ltd 全長の短い広角写真レンズ
US4787721A (en) * 1984-08-18 1988-11-29 Minolta Camera Kabushiki Kaisha Photographic lens system
TWI422900B (zh) * 2010-12-23 2014-01-11 Largan Precision Co Ltd 光學攝影鏡頭組
CN110109236B (zh) * 2019-06-13 2024-04-09 浙江舜宇光学有限公司 光学成像镜头及电子设备
JP7353876B2 (ja) * 2019-09-05 2023-10-02 キヤノン株式会社 光学系およびそれを有する撮像装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5229930B2 (instruction) * 1972-08-03 1977-08-04
JPS5123346B2 (instruction) * 1972-09-09 1976-07-16
US4045128A (en) * 1974-04-25 1977-08-30 Canon Kabushiki Kaisha Telephoto objective
JPS6059569B2 (ja) * 1974-04-25 1985-12-25 キヤノン株式会社 望遠レンズ
JPS51124421A (en) * 1975-04-23 1976-10-29 Canon Inc Tele-ph0t0 lens
JPS52117126A (en) * 1976-03-26 1977-10-01 Minolta Camera Co Ltd Telephoto lens system

Also Published As

Publication number Publication date
DE2851689A1 (de) 1979-08-30
JPS5476148A (en) 1979-06-18
GB2011642B (en) 1982-04-15
US4204747A (en) 1980-05-27
GB2011642A (en) 1979-07-11
DE2851689C2 (de) 1986-07-17

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