JPS6128974B2 - - Google Patents

Info

Publication number
JPS6128974B2
JPS6128974B2 JP57159280A JP15928082A JPS6128974B2 JP S6128974 B2 JPS6128974 B2 JP S6128974B2 JP 57159280 A JP57159280 A JP 57159280A JP 15928082 A JP15928082 A JP 15928082A JP S6128974 B2 JPS6128974 B2 JP S6128974B2
Authority
JP
Japan
Prior art keywords
lens
positive
power
strong
subject side
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
JP57159280A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5948723A (ja
Inventor
Ryota Ogawa
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 JP57159280A priority Critical patent/JPS5948723A/ja
Priority to US06/531,570 priority patent/US4508434A/en
Publication of JPS5948723A publication Critical patent/JPS5948723A/ja
Publication of JPS6128974B2 publication Critical patent/JPS6128974B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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)
JP57159280A 1982-09-13 1982-09-13 明るい中望遠レンズ Granted JPS5948723A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP57159280A JPS5948723A (ja) 1982-09-13 1982-09-13 明るい中望遠レンズ
US06/531,570 US4508434A (en) 1982-09-13 1983-09-13 Bright medium-range telephoto lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57159280A JPS5948723A (ja) 1982-09-13 1982-09-13 明るい中望遠レンズ

Publications (2)

Publication Number Publication Date
JPS5948723A JPS5948723A (ja) 1984-03-21
JPS6128974B2 true JPS6128974B2 (en, 2012) 1986-07-03

Family

ID=15690337

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57159280A Granted JPS5948723A (ja) 1982-09-13 1982-09-13 明るい中望遠レンズ

Country Status (2)

Country Link
US (1) US4508434A (en, 2012)
JP (1) JPS5948723A (en, 2012)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59149312A (ja) * 1983-02-16 1984-08-27 Asahi Optical Co Ltd 大口径比写真レンズ
JPS6217259A (ja) * 1986-04-24 1987-01-26 松下電工株式会社 建材の端面加工法
JPH07101253B2 (ja) * 1987-04-03 1995-11-01 キヤノン株式会社 フロ−テイングを利用した撮影レンズ
JP2761732B2 (ja) * 1988-02-26 1998-06-04 旭光学工業株式会社 変倍光学装置
JP2717560B2 (ja) * 1988-11-02 1998-02-18 旭光学工業株式会社 中望遠レンズ
JP2915985B2 (ja) * 1989-10-09 1999-07-05 旭光学工業株式会社 大口径中望遠レンズ
US5172274A (en) * 1989-10-09 1992-12-15 Asahi Kogaku Kogyo K.K. Large aperture, medium telephoto lens system
US6549343B2 (en) 2000-08-23 2003-04-15 Pentax Corporation Intermediate telephoto lens system
JP4905653B2 (ja) * 2006-03-28 2012-03-28 ペンタックスリコーイメージング株式会社 中望遠レンズ系
JP2007320004A (ja) * 2006-06-02 2007-12-13 Zenoah:Kk 携帯型作業機
US7924511B2 (en) * 2008-03-31 2011-04-12 Nikon Corporation Optical system, method for focusing, and imaging apparatus equipped therewith
JP5315755B2 (ja) * 2008-03-31 2013-10-16 株式会社ニコン 光学系と、光学系の合焦方法と、これらを有する撮像装置
KR101853809B1 (ko) 2010-09-08 2018-05-02 삼성전자주식회사 망원렌즈 시스템
KR20130069046A (ko) 2011-12-16 2013-06-26 삼성전자주식회사 망원렌즈 시스템
CN106662728B (zh) * 2014-09-10 2019-09-06 大族激光科技产业集团股份有限公司 摄影物镜
JP2018092081A (ja) * 2016-12-07 2018-06-14 富士フイルム株式会社 結像レンズおよび光学装置
JP6497469B1 (ja) * 2018-04-26 2019-04-10 エーエーシー テクノロジーズ ピーティーイー リミテッド 撮像光学レンズ
JP6583488B1 (ja) * 2018-04-26 2019-10-02 エーエーシー テクノロジーズ ピーティーイー リミテッド 撮像光学レンズ
US10775588B2 (en) * 2018-04-26 2020-09-15 Aac Optics Solutions Pte. Ltd. Camera optical lens
US10712533B2 (en) * 2018-04-26 2020-07-14 Aac Optics Solutions Pte. Ltd. Camera optical lens

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2315071C2 (de) * 1973-03-27 1981-10-15 Fa. Carl Zeiss, 7920 Heidenheim Lichtstarkes Photoobjektiv aus mindestens fünf Linsengliedern

Also Published As

Publication number Publication date
US4508434A (en) 1985-04-02
JPS5948723A (ja) 1984-03-21

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