JPS6356962B2 - - Google Patents

Info

Publication number
JPS6356962B2
JPS6356962B2 JP55069134A JP6913480A JPS6356962B2 JP S6356962 B2 JPS6356962 B2 JP S6356962B2 JP 55069134 A JP55069134 A JP 55069134A JP 6913480 A JP6913480 A JP 6913480A JP S6356962 B2 JPS6356962 B2 JP S6356962B2
Authority
JP
Japan
Prior art keywords
focusing
lens
lens group
group
groups
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
JP55069134A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56165107A (en
Inventor
Mitsuo Yasukuni
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.)
Minolta Co Ltd
Original Assignee
Minolta Co Ltd
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 Minolta Co Ltd filed Critical Minolta Co Ltd
Priority to JP6913480A priority Critical patent/JPS56165107A/ja
Publication of JPS56165107A publication Critical patent/JPS56165107A/ja
Publication of JPS6356962B2 publication Critical patent/JPS6356962B2/ja
Granted 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
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • G02B7/10—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)
  • Lenses (AREA)
JP6913480A 1980-05-23 1980-05-23 Focusing device for zoom lens Granted JPS56165107A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6913480A JPS56165107A (en) 1980-05-23 1980-05-23 Focusing device for zoom lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6913480A JPS56165107A (en) 1980-05-23 1980-05-23 Focusing device for zoom lens

Publications (2)

Publication Number Publication Date
JPS56165107A JPS56165107A (en) 1981-12-18
JPS6356962B2 true JPS6356962B2 (de) 1988-11-09

Family

ID=13393864

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6913480A Granted JPS56165107A (en) 1980-05-23 1980-05-23 Focusing device for zoom lens

Country Status (1)

Country Link
JP (1) JPS56165107A (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5878114A (ja) * 1981-11-04 1983-05-11 Nippon Kogaku Kk <Nikon> 広画角を含むズ−ムレンズ
JPS58136012A (ja) * 1982-02-08 1983-08-12 Canon Inc ズ−ムレンズの合焦方法
US4636040A (en) * 1982-02-19 1987-01-13 Minolta Camera Kabushiki Kaisha Zoom lens system
JPS58202416A (ja) * 1982-05-19 1983-11-25 Minolta Camera Co Ltd 広角域を含む高変倍比ズ−ムレンズ系
JPS58195214U (ja) * 1982-06-23 1983-12-26 ミノルタ株式会社 自動焦点カメラ用ズ−ムレンズ
JPS61188112U (de) * 1985-05-15 1986-11-22
USRE34453E (en) * 1986-10-11 1993-11-23 Minolta Camera Kabushiki Kaisha Photographic camera
US5185678A (en) * 1990-07-11 1993-02-09 Minolta Camera Kabushiki Kaisha Compact high ratio zoom lens system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5266445A (en) * 1975-11-27 1977-06-01 Fuji Photo Optical Co Ltd Zoom lens
US4043642A (en) * 1973-03-06 1977-08-23 Canon Kabushiki Kaisha Zoom lens system having electrical control of moving elements
JPS5366224A (en) * 1976-11-25 1978-06-13 Bell & Howell Japan Autoofocusing system in zoom lens
JPS5366223A (en) * 1976-11-25 1978-06-13 Bell & Howell Japan Focusing system in zoom lens and autoofocusing system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4043642A (en) * 1973-03-06 1977-08-23 Canon Kabushiki Kaisha Zoom lens system having electrical control of moving elements
JPS5266445A (en) * 1975-11-27 1977-06-01 Fuji Photo Optical Co Ltd Zoom lens
JPS5366224A (en) * 1976-11-25 1978-06-13 Bell & Howell Japan Autoofocusing system in zoom lens
JPS5366223A (en) * 1976-11-25 1978-06-13 Bell & Howell Japan Focusing system in zoom lens and autoofocusing system

Also Published As

Publication number Publication date
JPS56165107A (en) 1981-12-18

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