JP5641777B2 - レンズ交換式カメラ - Google Patents

レンズ交換式カメラ Download PDF

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Publication number
JP5641777B2
JP5641777B2 JP2010113841A JP2010113841A JP5641777B2 JP 5641777 B2 JP5641777 B2 JP 5641777B2 JP 2010113841 A JP2010113841 A JP 2010113841A JP 2010113841 A JP2010113841 A JP 2010113841A JP 5641777 B2 JP5641777 B2 JP 5641777B2
Authority
JP
Japan
Prior art keywords
lens
focus
focus determination
determination width
value
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 - Fee Related
Application number
JP2010113841A
Other languages
English (en)
Japanese (ja)
Other versions
JP2011242562A (ja
JP2011242562A5 (enExample
Inventor
石川　正哲
石川　　正哲
田村　昌久
田村　　昌久
岡田　忠典
忠典 岡田
巧 山中
巧 山中
佐々木　邦彦
佐々木　　邦彦
康 村上
康 村上
正太 島田
正太 島田
武也 中山
武也 中山
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 JP2010113841A priority Critical patent/JP5641777B2/ja
Priority to US13/109,378 priority patent/US8355626B2/en
Publication of JP2011242562A publication Critical patent/JP2011242562A/ja
Publication of JP2011242562A5 publication Critical patent/JP2011242562A5/ja
Application granted granted Critical
Publication of JP5641777B2 publication Critical patent/JP5641777B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
    • G03B13/32—Means for focusing
    • G03B13/34—Power focusing
    • G03B13/36—Autofocus systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/66—Remote control of cameras or camera parts, e.g. by remote control devices
    • H04N23/663—Remote control of cameras or camera parts, e.g. by remote control devices for controlling interchangeable camera parts based on electronic image sensor signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/67—Focus control based on electronic image sensor signals
    • H04N23/672—Focus control based on electronic image sensor signals based on the phase difference signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Studio Devices (AREA)
  • Structure And Mechanism Of Cameras (AREA)
  • Focusing (AREA)
  • Automatic Focus Adjustment (AREA)
JP2010113841A 2010-05-18 2010-05-18 レンズ交換式カメラ Expired - Fee Related JP5641777B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2010113841A JP5641777B2 (ja) 2010-05-18 2010-05-18 レンズ交換式カメラ
US13/109,378 US8355626B2 (en) 2010-05-18 2011-05-17 Lens-interchangeable camera performing focus control, lens barrel, and program

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2010113841A JP5641777B2 (ja) 2010-05-18 2010-05-18 レンズ交換式カメラ

Publications (3)

Publication Number Publication Date
JP2011242562A JP2011242562A (ja) 2011-12-01
JP2011242562A5 JP2011242562A5 (enExample) 2013-07-04
JP5641777B2 true JP5641777B2 (ja) 2014-12-17

Family

ID=44972563

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2010113841A Expired - Fee Related JP5641777B2 (ja) 2010-05-18 2010-05-18 レンズ交換式カメラ

Country Status (2)

Country Link
US (1) US8355626B2 (enExample)
JP (1) JP5641777B2 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5979902B2 (ja) * 2012-02-16 2016-08-31 キヤノン株式会社 カメラ及びカメラシステム
JP6504969B2 (ja) * 2015-08-19 2019-04-24 キヤノン株式会社 撮像システム、撮像装置、レンズ装置、撮像システムの制御方法
JP6819348B2 (ja) * 2017-02-20 2021-01-27 株式会社リコー 撮影装置及び撮影方法
JP7207874B2 (ja) * 2018-06-26 2023-01-18 キヤノン株式会社 制御装置、撮像装置、制御方法、プログラム、および、記憶媒体

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0572468A (ja) 1991-09-11 1993-03-26 Canon Inc カメラ
JP2003005019A (ja) * 2001-06-20 2003-01-08 Canon Inc カメラシステム

Also Published As

Publication number Publication date
JP2011242562A (ja) 2011-12-01
US8355626B2 (en) 2013-01-15
US20110286733A1 (en) 2011-11-24

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