JPH0559406B2 - - Google Patents

Info

Publication number
JPH0559406B2
JPH0559406B2 JP57077086A JP7708682A JPH0559406B2 JP H0559406 B2 JPH0559406 B2 JP H0559406B2 JP 57077086 A JP57077086 A JP 57077086A JP 7708682 A JP7708682 A JP 7708682A JP H0559406 B2 JPH0559406 B2 JP H0559406B2
Authority
JP
Japan
Prior art keywords
focus
focal length
lens group
zooming
focusing
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 - Lifetime
Application number
JP57077086A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58194005A (ja
Inventor
Tooru Fukuhara
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.)
Nikon Corp
Original Assignee
Nippon Kogaku KK
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 Nippon Kogaku KK filed Critical Nippon Kogaku KK
Priority to JP7708682A priority Critical patent/JPS58194005A/ja
Publication of JPS58194005A publication Critical patent/JPS58194005A/ja
Publication of JPH0559406B2 publication Critical patent/JPH0559406B2/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
    • G02B7/28—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)
JP7708682A 1982-05-08 1982-05-08 自動合焦ズ−ムレンズ装置 Granted JPS58194005A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7708682A JPS58194005A (ja) 1982-05-08 1982-05-08 自動合焦ズ−ムレンズ装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7708682A JPS58194005A (ja) 1982-05-08 1982-05-08 自動合焦ズ−ムレンズ装置

Publications (2)

Publication Number Publication Date
JPS58194005A JPS58194005A (ja) 1983-11-11
JPH0559406B2 true JPH0559406B2 (nl) 1993-08-31

Family

ID=13623966

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7708682A Granted JPS58194005A (ja) 1982-05-08 1982-05-08 自動合焦ズ−ムレンズ装置

Country Status (1)

Country Link
JP (1) JPS58194005A (nl)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60218613A (ja) * 1984-04-16 1985-11-01 Canon Inc 自動焦点装置
US4851869A (en) * 1987-01-19 1989-07-25 Olympus Optical Co., Ltd. Lens driving apparatus
JPH07114086A (ja) * 1994-08-08 1995-05-02 Nikon Corp レンズ位置検出装置
JP6384520B2 (ja) * 2016-06-08 2018-09-05 株式会社ニコン レンズ鏡筒

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5576309A (en) * 1978-12-01 1980-06-09 Sony Corp Automatic focusing device
JPS56162728A (en) * 1980-05-20 1981-12-14 Minolta Camera Co Ltd Automatic focusing device of zoom lens

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5576309A (en) * 1978-12-01 1980-06-09 Sony Corp Automatic focusing device
JPS56162728A (en) * 1980-05-20 1981-12-14 Minolta Camera Co Ltd Automatic focusing device of zoom lens

Also Published As

Publication number Publication date
JPS58194005A (ja) 1983-11-11

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