JPS60150020A - 高変倍有限距離用ズ−ムレンズ - Google Patents

高変倍有限距離用ズ−ムレンズ

Info

Publication number
JPS60150020A
JPS60150020A JP59006712A JP671284A JPS60150020A JP S60150020 A JPS60150020 A JP S60150020A JP 59006712 A JP59006712 A JP 59006712A JP 671284 A JP671284 A JP 671284A JP S60150020 A JPS60150020 A JP S60150020A
Authority
JP
Japan
Prior art keywords
lens
lens group
object side
positive
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.)
Granted
Application number
JP59006712A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0248089B2 (enrdf_load_stackoverflow
Inventor
Takayuki Ito
孝之 伊藤
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.)
Pentax Corp
Original Assignee
Asahi Kogaku Kogyo 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 Asahi Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd
Priority to JP59006712A priority Critical patent/JPS60150020A/ja
Publication of JPS60150020A publication Critical patent/JPS60150020A/ja
Publication of JPH0248089B2 publication Critical patent/JPH0248089B2/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
    • G02B15/145—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 five groups only
    • G02B15/1451—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 five groups only the first group being positive
    • G02B15/145127—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 five groups only the first group being positive arranged ++-++

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
JP59006712A 1984-01-18 1984-01-18 高変倍有限距離用ズ−ムレンズ Granted JPS60150020A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59006712A JPS60150020A (ja) 1984-01-18 1984-01-18 高変倍有限距離用ズ−ムレンズ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59006712A JPS60150020A (ja) 1984-01-18 1984-01-18 高変倍有限距離用ズ−ムレンズ

Publications (2)

Publication Number Publication Date
JPS60150020A true JPS60150020A (ja) 1985-08-07
JPH0248089B2 JPH0248089B2 (enrdf_load_stackoverflow) 1990-10-24

Family

ID=11645889

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59006712A Granted JPS60150020A (ja) 1984-01-18 1984-01-18 高変倍有限距離用ズ−ムレンズ

Country Status (1)

Country Link
JP (1) JPS60150020A (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6867924B2 (en) 2002-09-02 2005-03-15 Olympus Corporation Large-aperture telephoto zoom lens
JP2005316396A (ja) * 2004-03-31 2005-11-10 Nikon Corp ズームレンズ
JP2010072052A (ja) * 2008-09-16 2010-04-02 Canon Inc ズームレンズ及びそれを有する撮像装置
CN108279489A (zh) * 2017-01-05 2018-07-13 富士胶片株式会社 变焦镜头及摄像装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2625103C1 (ru) * 2016-07-04 2017-07-11 Федеральное государственное бюджетное образовательное учреждение высшего образования "Тихоокеанский государственный университет" Способ доочистки водопроводной воды

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6867924B2 (en) 2002-09-02 2005-03-15 Olympus Corporation Large-aperture telephoto zoom lens
JP2005316396A (ja) * 2004-03-31 2005-11-10 Nikon Corp ズームレンズ
JP2010072052A (ja) * 2008-09-16 2010-04-02 Canon Inc ズームレンズ及びそれを有する撮像装置
CN108279489A (zh) * 2017-01-05 2018-07-13 富士胶片株式会社 变焦镜头及摄像装置
CN108279489B (zh) * 2017-01-05 2021-08-27 富士胶片株式会社 变焦镜头及摄像装置

Also Published As

Publication number Publication date
JPH0248089B2 (enrdf_load_stackoverflow) 1990-10-24

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees