JPH0414325B2 - - Google Patents

Info

Publication number
JPH0414325B2
JPH0414325B2 JP55064050A JP6405080A JPH0414325B2 JP H0414325 B2 JPH0414325 B2 JP H0414325B2 JP 55064050 A JP55064050 A JP 55064050A JP 6405080 A JP6405080 A JP 6405080A JP H0414325 B2 JPH0414325 B2 JP H0414325B2
Authority
JP
Japan
Prior art keywords
group
lens
groups
positive
convergent
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
JP55064050A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56161516A (en
Inventor
Hideo Hirose
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.)
Nikon Corp
Original Assignee
Nippon Kogaku KK
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 Nippon Kogaku KK filed Critical Nippon Kogaku KK
Priority to JP6405080A priority Critical patent/JPS56161516A/ja
Priority to US06/260,775 priority patent/US4426136A/en
Publication of JPS56161516A publication Critical patent/JPS56161516A/ja
Publication of JPH0414325B2 publication Critical patent/JPH0414325B2/ja
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B9/00Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
    • G02B9/64Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having more than six components
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B9/00Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
    • G02B9/62Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having six components only

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
JP6405080A 1980-05-16 1980-05-16 Long working distance projection lens Granted JPS56161516A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP6405080A JPS56161516A (en) 1980-05-16 1980-05-16 Long working distance projection lens
US06/260,775 US4426136A (en) 1980-05-16 1981-05-05 Projection lens with long working distance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6405080A JPS56161516A (en) 1980-05-16 1980-05-16 Long working distance projection lens

Publications (2)

Publication Number Publication Date
JPS56161516A JPS56161516A (en) 1981-12-11
JPH0414325B2 true JPH0414325B2 (en]) 1992-03-12

Family

ID=13246872

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6405080A Granted JPS56161516A (en) 1980-05-16 1980-05-16 Long working distance projection lens

Country Status (2)

Country Link
US (1) US4426136A (en])
JP (1) JPS56161516A (en])

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5087265B2 (ja) * 2006-12-11 2012-12-05 オリンパス株式会社 長作動距離対物レンズ
RU2473932C2 (ru) * 2010-04-26 2013-01-27 Закрытое Акционерное Общество "Импульс" Проекционный объектив
RU2426160C1 (ru) * 2010-04-26 2011-08-10 Закрытое Акционерное Общество "Импульс" Проекционный объектив
JP2012173435A (ja) * 2011-02-18 2012-09-10 Tamron Co Ltd 固定焦点レンズ
US9874728B1 (en) 2016-01-08 2018-01-23 General Electric Company Long working distance lens system, assembly, and method

Also Published As

Publication number Publication date
US4426136A (en) 1984-01-17
JPS56161516A (en) 1981-12-11

Similar Documents

Publication Publication Date Title
JP2646350B2 (ja) 内視鏡対物レンズ
JP3559623B2 (ja) 結像レンズ
JP4083924B2 (ja) 広角レンズ
JP3769373B2 (ja) 明るい広角レンズ
JPH0431095B2 (en])
JPH07294808A (ja) 結像レンズ
JP3306129B2 (ja) 標準レンズ
JP2006064829A (ja) 望遠レンズ系
JP3353355B2 (ja) 接眼ズームレンズ系、及び該接眼ズームレンズ系を含む望遠鏡及び双眼鏡
JPH10301021A (ja) 小型レンズ
JPS6125122B2 (en])
JP3964533B2 (ja) 中望遠レンズ
JPH07218825A (ja) レトロフォーカス型レンズ
JP2010237430A (ja) 一眼レフカメラのファインダ光学系
JPH0414325B2 (en])
US5815317A (en) Eyepiece with broad visibility
JPH0876033A (ja) 非球面接眼レンズ
JP2006091718A (ja) 望遠レンズ系
JP2004184932A (ja) 投射レンズ及びこれを備えたプロジェクター
US4063800A (en) Zoom lens for a projector
JPS6250717A (ja) 低倍率投影対物レンズ
JPS5965820A (ja) 望遠レンズ系
JP4765229B2 (ja) 結像光学系
JPH05173067A (ja) 大口径広角レンズ
JP3427461B2 (ja) 再結像光学系