JPS60122917A - 高性能変倍読取レンズ系 - Google Patents

高性能変倍読取レンズ系

Info

Publication number
JPS60122917A
JPS60122917A JP58232100A JP23210083A JPS60122917A JP S60122917 A JPS60122917 A JP S60122917A JP 58232100 A JP58232100 A JP 58232100A JP 23210083 A JP23210083 A JP 23210083A JP S60122917 A JPS60122917 A JP S60122917A
Authority
JP
Japan
Prior art keywords
magnification
focal length
lens system
high performance
variable magnification
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
JP58232100A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0248086B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
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 JP58232100A priority Critical patent/JPS60122917A/ja
Publication of JPS60122917A publication Critical patent/JPS60122917A/ja
Publication of JPH0248086B2 publication Critical patent/JPH0248086B2/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
    • G02B13/24—Optical objectives specially designed for the purposes specified below for reproducing or copying at short object distances

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
JP58232100A 1983-12-07 1983-12-07 高性能変倍読取レンズ系 Granted JPS60122917A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58232100A JPS60122917A (ja) 1983-12-07 1983-12-07 高性能変倍読取レンズ系

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58232100A JPS60122917A (ja) 1983-12-07 1983-12-07 高性能変倍読取レンズ系

Related Child Applications (2)

Application Number Title Priority Date Filing Date
JP12874392A Division JPH0694993A (ja) 1992-05-21 1992-05-21 高性能変倍読取レンズ
JP12874492A Division JPH0694994A (ja) 1992-05-21 1992-05-21 変倍読取光学系

Publications (2)

Publication Number Publication Date
JPS60122917A true JPS60122917A (ja) 1985-07-01
JPH0248086B2 JPH0248086B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1990-10-24

Family

ID=16934001

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58232100A Granted JPS60122917A (ja) 1983-12-07 1983-12-07 高性能変倍読取レンズ系

Country Status (1)

Country Link
JP (1) JPS60122917A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01309016A (ja) * 1988-02-26 1989-12-13 Asahi Optical Co Ltd 変倍光学装置
JPH0694993A (ja) * 1992-05-21 1994-04-08 Asahi Optical Co Ltd 高性能変倍読取レンズ
JPH0694994A (ja) * 1992-05-21 1994-04-08 Asahi Optical Co Ltd 変倍読取光学系
US5764426A (en) * 1995-10-23 1998-06-09 Nikon Corporation Variable focal length optical system
JP2001051195A (ja) * 1999-07-28 2001-02-23 Nitto Kogaku Kk 投写用ズームレンズおよびプロジェクタ装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS524825A (en) * 1975-06-30 1977-01-14 Olympus Optical Co Ltd Super wide angle lens of the retrofocus type
JPS5862611A (ja) * 1981-10-08 1983-04-14 Sony Corp 像倍率変倍光学装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS524825A (en) * 1975-06-30 1977-01-14 Olympus Optical Co Ltd Super wide angle lens of the retrofocus type
JPS5862611A (ja) * 1981-10-08 1983-04-14 Sony Corp 像倍率変倍光学装置

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01309016A (ja) * 1988-02-26 1989-12-13 Asahi Optical Co Ltd 変倍光学装置
JPH0694993A (ja) * 1992-05-21 1994-04-08 Asahi Optical Co Ltd 高性能変倍読取レンズ
JPH0694994A (ja) * 1992-05-21 1994-04-08 Asahi Optical Co Ltd 変倍読取光学系
US5764426A (en) * 1995-10-23 1998-06-09 Nikon Corporation Variable focal length optical system
JP2001051195A (ja) * 1999-07-28 2001-02-23 Nitto Kogaku Kk 投写用ズームレンズおよびプロジェクタ装置

Also Published As

Publication number Publication date
JPH0248086B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1990-10-24

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Legal Events

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