JPS53116828A - Autoofocusing system for zoom lens - Google Patents

Autoofocusing system for zoom lens

Info

Publication number
JPS53116828A
JPS53116828A JP3106877A JP3106877A JPS53116828A JP S53116828 A JPS53116828 A JP S53116828A JP 3106877 A JP3106877 A JP 3106877A JP 3106877 A JP3106877 A JP 3106877A JP S53116828 A JPS53116828 A JP S53116828A
Authority
JP
Japan
Prior art keywords
autoofocusing
zoom lens
zoom
lens
autoofocusing system
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
JP3106877A
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 JP3106877A priority Critical patent/JPS53116828A/en
Priority to GB1164178A priority patent/GB1579518A/en
Publication of JPS53116828A publication Critical patent/JPS53116828A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/28—Systems for automatic generation of focusing signals
    • G02B7/282—Autofocusing of zoom lenses

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Automatic Focus Adjustment (AREA)
  • Focusing (AREA)
  • Lens Barrels (AREA)
JP3106877A 1977-03-23 1977-03-23 Autoofocusing system for zoom lens Pending JPS53116828A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP3106877A JPS53116828A (en) 1977-03-23 1977-03-23 Autoofocusing system for zoom lens
GB1164178A GB1579518A (en) 1977-03-23 1978-03-23 Automatic focusing system in zoom lens camera

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3106877A JPS53116828A (en) 1977-03-23 1977-03-23 Autoofocusing system for zoom lens

Publications (1)

Publication Number Publication Date
JPS53116828A true JPS53116828A (en) 1978-10-12

Family

ID=12321127

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3106877A Pending JPS53116828A (en) 1977-03-23 1977-03-23 Autoofocusing system for zoom lens

Country Status (2)

Country Link
JP (1) JPS53116828A (en)
GB (1) GB1579518A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56162727A (en) * 1980-05-20 1981-12-14 Minolta Camera Co Ltd Focusing device of zoom lens
JPS57118203A (en) * 1981-01-16 1982-07-23 Hitachi Denshi Ltd Automatic focusing variable magnification optical system
JPS57188004A (en) * 1981-05-14 1982-11-18 Olympus Optical Co Ltd Automatic focusing zoom lens
JPS58143307A (en) * 1982-02-20 1983-08-25 Nippon Seimitsu Kogyo Kk Focusing device of zoom lens
JPS58162915A (en) * 1982-03-23 1983-09-27 Nippon Seimitsu Kogyo Kk Focusing device of optical apparatus
JPS60143310A (en) * 1983-12-30 1985-07-29 Asahi Optical Co Ltd Automatic focusing device of zoom lens
JPS6490410A (en) * 1987-10-01 1989-04-06 Nikon Corp Zoom lens
JP2008046670A (en) * 2006-08-10 2008-02-28 Denso Corp Flow-control valve

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29619919U1 (en) * 1996-11-19 1997-01-23 Neudert Walter Film camera

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56162727A (en) * 1980-05-20 1981-12-14 Minolta Camera Co Ltd Focusing device of zoom lens
JPH0119121B2 (en) * 1980-05-20 1989-04-10 Minolta Camera Kk
JPS57118203A (en) * 1981-01-16 1982-07-23 Hitachi Denshi Ltd Automatic focusing variable magnification optical system
JPS57188004A (en) * 1981-05-14 1982-11-18 Olympus Optical Co Ltd Automatic focusing zoom lens
JPH0241721B2 (en) * 1981-05-14 1990-09-19
JPS58143307A (en) * 1982-02-20 1983-08-25 Nippon Seimitsu Kogyo Kk Focusing device of zoom lens
JPS58162915A (en) * 1982-03-23 1983-09-27 Nippon Seimitsu Kogyo Kk Focusing device of optical apparatus
JPS60143310A (en) * 1983-12-30 1985-07-29 Asahi Optical Co Ltd Automatic focusing device of zoom lens
JPH0339289B2 (en) * 1983-12-30 1991-06-13 Asahi Optical Co Ltd
JPS6490410A (en) * 1987-10-01 1989-04-06 Nikon Corp Zoom lens
JP2008046670A (en) * 2006-08-10 2008-02-28 Denso Corp Flow-control valve

Also Published As

Publication number Publication date
GB1579518A (en) 1980-11-19

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