JPS5532037A - Zoom lens system for near distance - Google Patents

Zoom lens system for near distance

Info

Publication number
JPS5532037A
JPS5532037A JP10447178A JP10447178A JPS5532037A JP S5532037 A JPS5532037 A JP S5532037A JP 10447178 A JP10447178 A JP 10447178A JP 10447178 A JP10447178 A JP 10447178A JP S5532037 A JPS5532037 A JP S5532037A
Authority
JP
Japan
Prior art keywords
group
variable power
lens group
divergent lens
distortion aberrations
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
JP10447178A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6140968B2 (enExample
Inventor
Soichi Nakamura
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.)
Nikon Corp
Nippon Chemical Industrial Co Ltd
Original Assignee
Nippon Chemical Industrial Co Ltd
Nippon Kogaku KK
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 Nippon Chemical Industrial Co Ltd, Nippon Kogaku KK filed Critical Nippon Chemical Industrial Co Ltd
Priority to JP10447178A priority Critical patent/JPS5532037A/ja
Priority to DE19792934305 priority patent/DE2934305A1/de
Priority to US06/070,102 priority patent/US4303311A/en
Publication of JPS5532037A publication Critical patent/JPS5532037A/ja
Publication of JPS6140968B2 publication Critical patent/JPS6140968B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00—Optical objectives with means for varying the magnification
    • G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
    • G02B15/143—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having three groups only
    • G02B15/1435—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having three groups only the first group being negative
    • G02B15/143503—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having three groups only the first group being negative arranged -+-

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
JP10447178A 1978-08-29 1978-08-29 Zoom lens system for near distance Granted JPS5532037A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP10447178A JPS5532037A (en) 1978-08-29 1978-08-29 Zoom lens system for near distance
DE19792934305 DE2934305A1 (de) 1978-08-29 1979-08-24 Nahbereichs-zoomobjektiv
US06/070,102 US4303311A (en) 1978-08-29 1979-08-27 Short distance zoom lens system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10447178A JPS5532037A (en) 1978-08-29 1978-08-29 Zoom lens system for near distance

Publications (2)

Publication Number Publication Date
JPS5532037A true JPS5532037A (en) 1980-03-06
JPS6140968B2 JPS6140968B2 (enExample) 1986-09-12

Family

ID=14381490

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10447178A Granted JPS5532037A (en) 1978-08-29 1978-08-29 Zoom lens system for near distance

Country Status (3)

Country Link
US (1) US4303311A (enExample)
JP (1) JPS5532037A (enExample)
DE (1) DE2934305A1 (enExample)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5895280U (ja) * 1981-12-19 1983-06-28 セイレイ工業株式会社 穀粒選別機における回転選別胴内の仕切り装置
JPS58132209A (ja) * 1982-02-01 1983-08-06 Canon Inc 広角ズ−ムレンズ
JPS58200208A (ja) * 1982-05-19 1983-11-21 Canon Inc 小型の広角ズ−ムレンズ
JPS5918917A (ja) * 1982-07-23 1984-01-31 Canon Inc 高変倍広角ズ−ムレンズ
JPS6276313U (enExample) * 1986-11-06 1987-05-15
JPS6325613A (ja) * 1986-07-18 1988-02-03 Canon Inc 小型のズ−ムレンズ
JPH01163715A (ja) * 1987-12-19 1989-06-28 Minolta Camera Co Ltd ズームレンズ系
JPH02226215A (ja) * 1989-02-28 1990-09-07 Minolta Camera Co Ltd コンパクトなズームレンズ系

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4509833A (en) * 1981-10-28 1985-04-09 Canon Kabushiki Kaisha High variable magnification wide angle zoom lens
US4466708A (en) * 1981-12-28 1984-08-21 Vivitar Corporation Zoom lens
JPS61213817A (ja) * 1985-03-20 1986-09-22 Ricoh Co Ltd ズ−ムフアインダ
US5270866A (en) * 1986-07-18 1993-12-14 Canon Kabushiki Kaisha Compact zoom lens
JPH01163716A (ja) * 1987-12-19 1989-06-28 Minolta Camera Co Ltd 歪曲収差の少ないマイクロフィルム投影用ズームレンズ系
JP2743440B2 (ja) * 1989-02-28 1998-04-22 ミノルタ株式会社 有限共役距離ズームレンズ系
JP2743439B2 (ja) * 1989-02-28 1998-04-22 ミノルタ株式会社 有限共役距離ズームレンズ系
US5175648A (en) * 1990-01-18 1992-12-29 Konica Corporation Zoom lens
JP2729851B2 (ja) * 1990-08-04 1998-03-18 富士写真光機株式会社 レトロフォーカス型広角レンズ
JP4827454B2 (ja) * 2005-07-22 2011-11-30 キヤノン株式会社 ズームレンズおよびそれを有する撮像装置
US20110032482A1 (en) * 2009-08-07 2011-02-10 Light Prescriptions Innovators, Llc 3d autostereoscopic display with true depth perception
KR20230069378A (ko) * 2021-11-12 2023-05-19 삼성전자주식회사 렌즈 어셈블리 및 그를 포함하는 전자 장치

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4923912A (enExample) * 1972-07-03 1974-03-02
JPS5334539A (en) * 1976-09-13 1978-03-31 Tokina Optical Wide angle high zoom ratio zoom system
JPS5426754A (en) * 1977-07-30 1979-02-28 Asahi Optical Co Ltd Zoom lens having small distorted aberration
JPS5478148A (en) * 1977-12-02 1979-06-22 Asahi Optical Co Ltd Zoom lens of small distortion aberration

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH481390A (fr) * 1968-10-10 1969-11-15 Paillard Sa Objectif à focale variable
US3705759A (en) * 1970-05-20 1972-12-12 Rank Organisation Ltd Optical objective of variable focal length
JPS492548A (enExample) * 1972-04-18 1974-01-10

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4923912A (enExample) * 1972-07-03 1974-03-02
JPS5334539A (en) * 1976-09-13 1978-03-31 Tokina Optical Wide angle high zoom ratio zoom system
JPS5426754A (en) * 1977-07-30 1979-02-28 Asahi Optical Co Ltd Zoom lens having small distorted aberration
JPS5478148A (en) * 1977-12-02 1979-06-22 Asahi Optical Co Ltd Zoom lens of small distortion aberration

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5895280U (ja) * 1981-12-19 1983-06-28 セイレイ工業株式会社 穀粒選別機における回転選別胴内の仕切り装置
JPS58132209A (ja) * 1982-02-01 1983-08-06 Canon Inc 広角ズ−ムレンズ
JPS58200208A (ja) * 1982-05-19 1983-11-21 Canon Inc 小型の広角ズ−ムレンズ
JPS5918917A (ja) * 1982-07-23 1984-01-31 Canon Inc 高変倍広角ズ−ムレンズ
JPS6325613A (ja) * 1986-07-18 1988-02-03 Canon Inc 小型のズ−ムレンズ
JPS6276313U (enExample) * 1986-11-06 1987-05-15
JPH01163715A (ja) * 1987-12-19 1989-06-28 Minolta Camera Co Ltd ズームレンズ系
JPH02226215A (ja) * 1989-02-28 1990-09-07 Minolta Camera Co Ltd コンパクトなズームレンズ系

Also Published As

Publication number Publication date
US4303311A (en) 1981-12-01
JPS6140968B2 (enExample) 1986-09-12
DE2934305A1 (de) 1980-03-13

Similar Documents

Publication Publication Date Title
JPS55156912A (en) High variable power zoom lens including wide angle
JPS54127322A (en) Zoom lens
JPS56107210A (en) Lens system permitting short-distance photographing
JPS5494352A (en) Focusing method of endoscope objective lens
JPS55117118A (en) Wide-angle zoom lens
JPS5621112A (en) Focusing system of zoom lens
JPS5741608A (en) Lens for closeup photographing
JPS57122413A (en) Zoom lens
JPS56114918A (en) Large-diameter lens with easy focusing
JPS5232343A (en) Zoom lens being capable of close view photographing
JPS561009A (en) Zoom lens
JPS5576318A (en) Zoom lens system
JPS57169716A (en) Zoom lens system of high variable magnification including wide angle region
JPS53142251A (en) Optical compensation type zoom lens
JPS57161824A (en) Zoom lens system
JPS5614212A (en) Zoom lens system
JPS56159614A (en) Copying variable magnification lens system
JPS55130510A (en) Afocal barrel lens
JPS5614213A (en) High magnification zoom lens for photography
JPS55163511A (en) 2-group constitution zoom lens
JPS57135913A (en) Zoom lens
JPS57163213A (en) Zoom lens of high variable magnification ratio having fixed lens group
JPS5711315A (en) Zoom lens with highly variable magnification preceding negative groups
JPS57208522A (en) Zoom lens capable of close-up photographing
JPS5651709A (en) Reverse telephoto type wide angle lens