JPS5366223A - Focusing system in zoom lens and autoofocusing system - Google Patents

Focusing system in zoom lens and autoofocusing system

Info

Publication number
JPS5366223A
JPS5366223A JP14159176A JP14159176A JPS5366223A JP S5366223 A JPS5366223 A JP S5366223A JP 14159176 A JP14159176 A JP 14159176A JP 14159176 A JP14159176 A JP 14159176A JP S5366223 A JPS5366223 A JP S5366223A
Authority
JP
Japan
Prior art keywords
autoofocusing
zoom lens
focusing
focusing system
zoom
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
JP14159176A
Other languages
Japanese (ja)
Inventor
Michiyoshi Suwa
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.)
Bell and Howell Japan
Original Assignee
Bell and Howell Japan
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 Bell and Howell Japan filed Critical Bell and Howell Japan
Priority to JP14159176A priority Critical patent/JPS5366223A/en
Priority to US05/853,016 priority patent/US4183639A/en
Priority to GB48783/77A priority patent/GB1583697A/en
Priority to DE19772752723 priority patent/DE2752723A1/en
Publication of JPS5366223A publication Critical patent/JPS5366223A/en
Pending legal-status Critical Current

Links

Landscapes

  • Lenses (AREA)
  • Automatic Focus Adjustment (AREA)
  • Focusing (AREA)
  • Lens Barrels (AREA)
JP14159176A 1976-11-25 1976-11-25 Focusing system in zoom lens and autoofocusing system Pending JPS5366223A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP14159176A JPS5366223A (en) 1976-11-25 1976-11-25 Focusing system in zoom lens and autoofocusing system
US05/853,016 US4183639A (en) 1976-11-25 1977-11-17 Focusing system
GB48783/77A GB1583697A (en) 1976-11-25 1977-11-23 Focusing system
DE19772752723 DE2752723A1 (en) 1976-11-25 1977-11-25 CAMERA WITH VARIO LENS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14159176A JPS5366223A (en) 1976-11-25 1976-11-25 Focusing system in zoom lens and autoofocusing system

Publications (1)

Publication Number Publication Date
JPS5366223A true JPS5366223A (en) 1978-06-13

Family

ID=15295561

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14159176A Pending JPS5366223A (en) 1976-11-25 1976-11-25 Focusing system in zoom lens and autoofocusing system

Country Status (1)

Country Link
JP (1) JPS5366223A (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55166079U (en) * 1980-06-03 1980-11-29
JPS56165107A (en) * 1980-05-23 1981-12-18 Minolta Camera Co Ltd Focusing device for zoom lens
DE3142425A1 (en) * 1980-10-28 1982-07-01 Canon K.K., Tokyo DETACHABLE ATTACHMENT OF AN AUTOMATIC FOCUSING DEVICE ALLOWABLE INTERCHANGEABLE LENS
JPS5940658U (en) * 1982-09-08 1984-03-15 マツダ株式会社 Engine timing belt chamber structure
JPS5955734U (en) * 1982-10-05 1984-04-12 株式会社三協精機製作所 Auto/manual switching device for automatic focusing device
JPS5955733U (en) * 1982-10-05 1984-04-12 株式会社三協精機製作所 Auto/manual switching device for automatic focusing device
US4492437A (en) * 1980-11-04 1985-01-08 Minolta Camera Kabushiki Kaisha Zoom lens system
US4636040A (en) * 1982-02-19 1987-01-13 Minolta Camera Kabushiki Kaisha Zoom lens system
JP2010130517A (en) * 2008-11-28 2010-06-10 Sony Corp Earpiece and earphone

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56165107A (en) * 1980-05-23 1981-12-18 Minolta Camera Co Ltd Focusing device for zoom lens
JPS55166079U (en) * 1980-06-03 1980-11-29
DE3142425A1 (en) * 1980-10-28 1982-07-01 Canon K.K., Tokyo DETACHABLE ATTACHMENT OF AN AUTOMATIC FOCUSING DEVICE ALLOWABLE INTERCHANGEABLE LENS
US4492437A (en) * 1980-11-04 1985-01-08 Minolta Camera Kabushiki Kaisha Zoom lens system
US4636040A (en) * 1982-02-19 1987-01-13 Minolta Camera Kabushiki Kaisha Zoom lens system
US4844600A (en) * 1982-02-19 1989-07-04 Minolta Camera Kabushiki Kaisha Zoom lens system
JPS5940658U (en) * 1982-09-08 1984-03-15 マツダ株式会社 Engine timing belt chamber structure
JPS5955734U (en) * 1982-10-05 1984-04-12 株式会社三協精機製作所 Auto/manual switching device for automatic focusing device
JPS5955733U (en) * 1982-10-05 1984-04-12 株式会社三協精機製作所 Auto/manual switching device for automatic focusing device
JP2010130517A (en) * 2008-11-28 2010-06-10 Sony Corp Earpiece and earphone

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