JPS5326122A - Zoom lens - Google Patents

Zoom lens

Info

Publication number
JPS5326122A
JPS5326122A JP10101576A JP10101576A JPS5326122A JP S5326122 A JPS5326122 A JP S5326122A JP 10101576 A JP10101576 A JP 10101576A JP 10101576 A JP10101576 A JP 10101576A JP S5326122 A JPS5326122 A JP S5326122A
Authority
JP
Japan
Prior art keywords
zoom lens
focusing
futility
rendering
relative
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
JP10101576A
Other languages
Japanese (ja)
Other versions
JPS5823603B2 (en
Inventor
Mitsuo 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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP10101576A priority Critical patent/JPS5823603B2/en
Publication of JPS5326122A publication Critical patent/JPS5326122A/en
Publication of JPS5823603B2 publication Critical patent/JPS5823603B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Lens Barrels (AREA)

Abstract

PURPOSE: To conduct focusing with no futility relative to the zoom adjustment by rendering a focusing screw and a lead angle of beam cam groove to be of the same one.
COPYRIGHT: (C)1978,JPO&Japio
JP10101576A 1976-08-24 1976-08-24 zoom lens Expired JPS5823603B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10101576A JPS5823603B2 (en) 1976-08-24 1976-08-24 zoom lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10101576A JPS5823603B2 (en) 1976-08-24 1976-08-24 zoom lens

Publications (2)

Publication Number Publication Date
JPS5326122A true JPS5326122A (en) 1978-03-10
JPS5823603B2 JPS5823603B2 (en) 1983-05-16

Family

ID=14289378

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10101576A Expired JPS5823603B2 (en) 1976-08-24 1976-08-24 zoom lens

Country Status (1)

Country Link
JP (1) JPS5823603B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52119802U (en) * 1976-03-09 1977-09-10
JPS52119803U (en) * 1976-03-09 1977-09-10
JPS5661895A (en) * 1979-10-25 1981-05-27 Matsushita Electric Ind Co Ltd Electromagnetic type pickup cartridge

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52119802U (en) * 1976-03-09 1977-09-10
JPS52119803U (en) * 1976-03-09 1977-09-10
JPS5824558Y2 (en) * 1976-03-09 1983-05-26 松下電器産業株式会社 Electromagnetic pickup cartridge
JPS5824557Y2 (en) * 1976-03-09 1983-05-26 松下電器産業株式会社 Electromagnetic pickup cartridge
JPS5661895A (en) * 1979-10-25 1981-05-27 Matsushita Electric Ind Co Ltd Electromagnetic type pickup cartridge

Also Published As

Publication number Publication date
JPS5823603B2 (en) 1983-05-16

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