JPH0248089B2 - - Google Patents

Info

Publication number
JPH0248089B2
JPH0248089B2 JP59006712A JP671284A JPH0248089B2 JP H0248089 B2 JPH0248089 B2 JP H0248089B2 JP 59006712 A JP59006712 A JP 59006712A JP 671284 A JP671284 A JP 671284A JP H0248089 B2 JPH0248089 B2 JP H0248089B2
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.)
Expired - Lifetime
Application number
JP59006712A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60150020A (ja
Inventor
Takayuki Ito
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 JPS60150020A (ja) 1985-08-07
JPH0248089B2 true JPH0248089B2 (en]) 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 (en])

Cited By (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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4274764B2 (ja) 2002-09-02 2009-06-10 オリンパス株式会社 ズームレンズ及びそれを用いたカメラ
JP4826095B2 (ja) * 2004-03-31 2011-11-30 株式会社ニコン ズームレンズ
JP5197262B2 (ja) * 2008-09-16 2013-05-15 キヤノン株式会社 ズームレンズ及びそれを有する撮像装置
JP6649287B2 (ja) * 2017-01-05 2020-02-19 富士フイルム株式会社 ズームレンズおよび撮像装置

Cited By (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

Also Published As

Publication number Publication date
JPS60150020A (ja) 1985-08-07

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Legal Events

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