JPH0248086B2 - - Google Patents

Info

Publication number
JPH0248086B2
JPH0248086B2 JP58232100A JP23210083A JPH0248086B2 JP H0248086 B2 JPH0248086 B2 JP H0248086B2 JP 58232100 A JP58232100 A JP 58232100A JP 23210083 A JP23210083 A JP 23210083A JP H0248086 B2 JPH0248086 B2 JP H0248086B2
Authority
JP
Japan
Prior art keywords
focal length
magnification
meniscus lens
distance
lens
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
JP58232100A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60122917A (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 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
JP12874492A Division JPH0694994A (ja) 1992-05-21 1992-05-21 変倍読取光学系
JP12874392A Division JPH0694993A (ja) 1992-05-21 1992-05-21 高性能変倍読取レンズ

Publications (2)

Publication Number Publication Date
JPS60122917A JPS60122917A (ja) 1985-07-01
JPH0248086B2 true JPH0248086B2 (enrdf_load_stackoverflow) 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 (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2761732B2 (ja) * 1988-02-26 1998-06-04 旭光学工業株式会社 変倍光学装置
JPH0694994A (ja) * 1992-05-21 1994-04-08 Asahi Optical Co Ltd 変倍読取光学系
JPH0694993A (ja) * 1992-05-21 1994-04-08 Asahi Optical Co Ltd 高性能変倍読取レンズ
JPH09113804A (ja) * 1995-10-23 1997-05-02 Nikon Corp 変倍光学系
US6147812A (en) * 1999-07-28 2000-11-14 Nittoh Kogaku K.K. Projection zoom lens system and projector apparatus

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5826001B2 (ja) * 1975-06-30 1983-05-31 オリンパス光学工業株式会社 レトロフオ−カスガタチヨウコクカクレンズ
JPS5862611A (ja) * 1981-10-08 1983-04-14 Sony Corp 像倍率変倍光学装置

Also Published As

Publication number Publication date
JPS60122917A (ja) 1985-07-01

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Legal Events

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