JPS59141315U - zoom lens - Google Patents

zoom lens

Info

Publication number
JPS59141315U
JPS59141315U JP3658783U JP3658783U JPS59141315U JP S59141315 U JPS59141315 U JP S59141315U JP 3658783 U JP3658783 U JP 3658783U JP 3658783 U JP3658783 U JP 3658783U JP S59141315 U JPS59141315 U JP S59141315U
Authority
JP
Japan
Prior art keywords
lens group
zooming
zoom lens
diaphragm
object 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.)
Pending
Application number
JP3658783U
Other languages
Japanese (ja)
Inventor
辻　定彦
Original Assignee
キヤノン株式会社
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 キヤノン株式会社 filed Critical キヤノン株式会社
Priority to JP3658783U priority Critical patent/JPS59141315U/en
Publication of JPS59141315U publication Critical patent/JPS59141315U/en
Pending legal-status Critical Current

Links

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図及び第２図は夫々本考案のズームレンズの異る実
施例の構成図である。 図中、Ｌｌ・・・固定レンズ群、−・・・ズーミング用
移動レンズ群、−・・・固定レンズ群、Ｌ４・・・ズー
ミング用移動レンズ群、−・・・固定レンズ群、Ｓ・・
・絞り、１．　２．　３・・・移動曲線。FIGS. 1 and 2 are block diagrams of different embodiments of the zoom lens of the present invention, respectively. In the figure, Ll... fixed lens group, -... moving lens group for zooming, -... fixed lens group, L4... moving lens group for zooming, -... fixed lens group, S...
・Aperture, 1. 2. 3...Movement curve.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 物体側から順にズーミング時に固定のレンズ群、ズーミ
ングのための少くとも一つの移動レンズ群、ズーミング
時に固定の少くとも一つのレンズ群、及びズーミングの
ための少くとも一つの移動レンズ群を有し、上記移動レ
ンズ群のうち最も像側にある移動レンズ群よりも物体側
に絞りを設け、ズーミングによって射出瞳の位置が変化
しないように該絞りを上記移動レンズ群の移動と連動さ
せて、移動させるようにしたことを特徴とするズームレ
ンズ。In order from the object side, it has a lens group that is fixed during zooming, at least one moving lens group for zooming, at least one lens group that is fixed during zooming, and at least one moving lens group for zooming, A diaphragm is provided closer to the object side than the movable lens group closest to the image side among the movable lens groups, and the diaphragm is moved in conjunction with the movement of the movable lens group so that the position of the exit pupil does not change due to zooming. A zoom lens characterized by the following features:
JP3658783U 1983-03-14 1983-03-14 zoom lens Pending JPS59141315U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3658783U JPS59141315U (en) 1983-03-14 1983-03-14 zoom lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3658783U JPS59141315U (en) 1983-03-14 1983-03-14 zoom lens

Publications (1)

Publication Number Publication Date
JPS59141315U true JPS59141315U (en) 1984-09-21

Family

ID=30167256

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3658783U Pending JPS59141315U (en) 1983-03-14 1983-03-14 zoom lens

Country Status (1)

Country Link
JP (1) JPS59141315U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06194574A (en) * 1992-10-15 1994-07-15 Olympus Optical Co Ltd Zoom lens

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5141354A (en) * 1974-10-03 1976-04-07 Ajinomoto Kk SHINKIHEPUTAPEPUCHIDO JUDOTAI NO SEIZOHO
JPS53130016A (en) * 1977-04-20 1978-11-13 Konishiroku Photo Ind Co Ltd Continuous variable multiplication optical system for photo-composing machine

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5141354A (en) * 1974-10-03 1976-04-07 Ajinomoto Kk SHINKIHEPUTAPEPUCHIDO JUDOTAI NO SEIZOHO
JPS53130016A (en) * 1977-04-20 1978-11-13 Konishiroku Photo Ind Co Ltd Continuous variable multiplication optical system for photo-composing machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06194574A (en) * 1992-10-15 1994-07-15 Olympus Optical Co Ltd Zoom lens

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