JPH01131509A - 変倍光学系 - Google Patents

変倍光学系

Info

Publication number
JPH01131509A
JPH01131509A JP14032488A JP14032488A JPH01131509A JP H01131509 A JPH01131509 A JP H01131509A JP 14032488 A JP14032488 A JP 14032488A JP 14032488 A JP14032488 A JP 14032488A JP H01131509 A JPH01131509 A JP H01131509A
Authority
JP
Japan
Prior art keywords
amount
optical system
focusing lens
variable magnification
movement
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
JP14032488A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0234005B2 (enrdf_load_stackoverflow
Inventor
Tsunefumi Tanaka
常文 田中
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 JP14032488A priority Critical patent/JPH01131509A/ja
Publication of JPH01131509A publication Critical patent/JPH01131509A/ja
Publication of JPH0234005B2 publication Critical patent/JPH0234005B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Focusing (AREA)
  • Lens Barrels (AREA)
  • Automatic Focus Adjustment (AREA)
JP14032488A 1988-06-07 1988-06-07 変倍光学系 Granted JPH01131509A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14032488A JPH01131509A (ja) 1988-06-07 1988-06-07 変倍光学系

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14032488A JPH01131509A (ja) 1988-06-07 1988-06-07 変倍光学系

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP21952185A Division JPS6278519A (ja) 1985-10-02 1985-10-02 自動合焦装置

Publications (2)

Publication Number Publication Date
JPH01131509A true JPH01131509A (ja) 1989-05-24
JPH0234005B2 JPH0234005B2 (enrdf_load_stackoverflow) 1990-08-01

Family

ID=15266169

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14032488A Granted JPH01131509A (ja) 1988-06-07 1988-06-07 変倍光学系

Country Status (1)

Country Link
JP (1) JPH01131509A (enrdf_load_stackoverflow)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5036349A (en) * 1988-09-14 1991-07-30 Asahi Kogaku Kogyo Kabushiki Kaisha Autofocusing system for camera
US5065175A (en) * 1988-09-13 1991-11-12 Asahi Kogaku Kogyo Kabushiki Kaisha Single-lens reflex camera system
US5066968A (en) * 1988-09-29 1991-11-19 Asahi Kogaku Kogyo Kabushiki Kaisha Autofocusing system for a camera
US5093680A (en) * 1988-09-22 1992-03-03 Asahi Kogaku Kogyo Kabushiki Kaisha Image magnification control device for a camera
US5157434A (en) * 1988-09-14 1992-10-20 Asahi Kogaku Kogyo Kabushiki Kaisha Autofocusing system for camera
US5305044A (en) * 1988-09-29 1994-04-19 Asahi Kogaku Kogyo Kabushiki Kaisha Autofocusing system for a camera
US5432584A (en) * 1988-09-29 1995-07-11 Asahi Kogaku Kogyo Kabushiki Kaisha Lens accommodation device for a camera
US5748387A (en) * 1994-02-23 1998-05-05 Nikon Corporation Zoom lens system
US5760971A (en) * 1995-11-28 1998-06-02 Nikon Corporation Zoom lens system
US5764423A (en) * 1996-03-01 1998-06-09 Nikon Corporation Zoom lens system
US5774276A (en) * 1996-02-07 1998-06-30 Nikon Corporation Zoom lens system
US5790317A (en) * 1995-12-13 1998-08-04 Nikon Corporation Zoom lens system
JP2022060319A (ja) * 2017-06-27 2022-04-14 ソニーグループ株式会社 交換レンズ装置、撮像装置、撮像システム、および方法、並びにプログラム

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58217907A (ja) * 1982-06-12 1983-12-19 Nippon Seimitsu Kogyo Kk ズームレンズのフォーカシング方法
JPS58224317A (ja) * 1982-06-23 1983-12-26 Minolta Camera Co Ltd 自動焦点カメラのレンズ繰り出し制御装置
JPS59140408A (ja) * 1983-02-01 1984-08-11 Minolta Camera Co Ltd 変倍レンズ
JPS59151116A (ja) * 1983-02-17 1984-08-29 Canon Inc 自動合焦装置
JPS6012526A (ja) * 1983-07-01 1985-01-22 Minolta Camera Co Ltd 自動焦点調整装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58217907A (ja) * 1982-06-12 1983-12-19 Nippon Seimitsu Kogyo Kk ズームレンズのフォーカシング方法
JPS58224317A (ja) * 1982-06-23 1983-12-26 Minolta Camera Co Ltd 自動焦点カメラのレンズ繰り出し制御装置
JPS59140408A (ja) * 1983-02-01 1984-08-11 Minolta Camera Co Ltd 変倍レンズ
JPS59151116A (ja) * 1983-02-17 1984-08-29 Canon Inc 自動合焦装置
JPS6012526A (ja) * 1983-07-01 1985-01-22 Minolta Camera Co Ltd 自動焦点調整装置

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5065175A (en) * 1988-09-13 1991-11-12 Asahi Kogaku Kogyo Kabushiki Kaisha Single-lens reflex camera system
US5157434A (en) * 1988-09-14 1992-10-20 Asahi Kogaku Kogyo Kabushiki Kaisha Autofocusing system for camera
US5036349A (en) * 1988-09-14 1991-07-30 Asahi Kogaku Kogyo Kabushiki Kaisha Autofocusing system for camera
US5708869A (en) * 1988-09-22 1998-01-13 Asahi Kogaku Kogyo Kabushiki Kaisha Image magnification control device for a camera
US5768635A (en) * 1988-09-22 1998-06-16 Asahi Kogaku Kogyo Kabushiki Kaisha Image magnification control device for a camera
US5159377A (en) * 1988-09-22 1992-10-27 Asahi Kogaku Kogyo Kabushiki Kaisha Image magnification control device for a camera
US5283607A (en) * 1988-09-22 1994-02-01 Asahi Kogaku Kogyo Kabushiki Kaisha Automatic lens control system
US5842056A (en) * 1988-09-22 1998-11-24 Asahi Kogaku Kogyo Kabushiki Kaisha Image magnification control device for a camera
US5428419A (en) * 1988-09-22 1995-06-27 Asahi Kogaku Kogyo Kabushiki Kaisha Image magnification control device for a camera
US5093680A (en) * 1988-09-22 1992-03-03 Asahi Kogaku Kogyo Kabushiki Kaisha Image magnification control device for a camera
US5541702A (en) * 1988-09-22 1996-07-30 Asahi Kogaku Kogyo Kabushiki Kaisha Image magnification control device for a camera
US5678072A (en) * 1988-09-22 1997-10-14 Asahi Kogaku Kogyo Kabushiki Kaisha Image magnification control device for a camera
US5832316A (en) * 1988-09-22 1998-11-03 Asahi Kogaku Kogyo Kabushiki Kaisha Image magnification control device for a camera
US5721976A (en) * 1988-09-22 1998-02-24 Asahi Kogaku Kogyo Kabushiki Kaisha Image magnification control device for a camera
US5740475A (en) * 1988-09-22 1998-04-14 Asahi Kogaku Kogyo Kabushiki Kaisha Image magnification control device for a camera
US5781809A (en) * 1988-09-22 1998-07-14 Asahi Kogaku Kogyo Kabushiki Kaisha Image magnification control device for a camera
US5432584A (en) * 1988-09-29 1995-07-11 Asahi Kogaku Kogyo Kabushiki Kaisha Lens accommodation device for a camera
US5066968A (en) * 1988-09-29 1991-11-19 Asahi Kogaku Kogyo Kabushiki Kaisha Autofocusing system for a camera
US5305044A (en) * 1988-09-29 1994-04-19 Asahi Kogaku Kogyo Kabushiki Kaisha Autofocusing system for a camera
US5748387A (en) * 1994-02-23 1998-05-05 Nikon Corporation Zoom lens system
US5760971A (en) * 1995-11-28 1998-06-02 Nikon Corporation Zoom lens system
US5790317A (en) * 1995-12-13 1998-08-04 Nikon Corporation Zoom lens system
US5774276A (en) * 1996-02-07 1998-06-30 Nikon Corporation Zoom lens system
US5764423A (en) * 1996-03-01 1998-06-09 Nikon Corporation Zoom lens system
JP2022060319A (ja) * 2017-06-27 2022-04-14 ソニーグループ株式会社 交換レンズ装置、撮像装置、撮像システム、および方法、並びにプログラム
US12105401B2 (en) 2017-06-27 2024-10-01 Sony Group Corporation Imaging device, imaging system, focus control method, and non-transitory computer-readable medium with cam curve

Also Published As

Publication number Publication date
JPH0234005B2 (enrdf_load_stackoverflow) 1990-08-01

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees