JP4455200B2 - 絞り制御 - Google Patents

絞り制御 Download PDF

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Publication number
JP4455200B2
JP4455200B2 JP2004211456A JP2004211456A JP4455200B2 JP 4455200 B2 JP4455200 B2 JP 4455200B2 JP 2004211456 A JP2004211456 A JP 2004211456A JP 2004211456 A JP2004211456 A JP 2004211456A JP 4455200 B2 JP4455200 B2 JP 4455200B2
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JP
Japan
Prior art keywords
filter
amount
light
state
diaphragm
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
JP2004211456A
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English (en)
Japanese (ja)
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JP2006030769A (ja
JP2006030769A5 (https=
Inventor
実 内山
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 JP2004211456A priority Critical patent/JP4455200B2/ja
Publication of JP2006030769A publication Critical patent/JP2006030769A/ja
Publication of JP2006030769A5 publication Critical patent/JP2006030769A5/ja
Application granted granted Critical
Publication of JP4455200B2 publication Critical patent/JP4455200B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Studio Devices (AREA)
  • Diaphragms For Cameras (AREA)
  • Blocking Light For Cameras (AREA)
JP2004211456A 2004-07-20 2004-07-20 絞り制御 Expired - Fee Related JP4455200B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2004211456A JP4455200B2 (ja) 2004-07-20 2004-07-20 絞り制御

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004211456A JP4455200B2 (ja) 2004-07-20 2004-07-20 絞り制御

Publications (3)

Publication Number Publication Date
JP2006030769A JP2006030769A (ja) 2006-02-02
JP2006030769A5 JP2006030769A5 (https=) 2007-09-06
JP4455200B2 true JP4455200B2 (ja) 2010-04-21

Family

ID=35897166

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004211456A Expired - Fee Related JP4455200B2 (ja) 2004-07-20 2004-07-20 絞り制御

Country Status (1)

Country Link
JP (1) JP4455200B2 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5911261B2 (ja) * 2011-10-26 2016-04-27 キヤノン株式会社 撮像装置

Also Published As

Publication number Publication date
JP2006030769A (ja) 2006-02-02

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