JP4954605B2 - 光量調節装置、レンズ装置および撮像装置 - Google Patents

光量調節装置、レンズ装置および撮像装置 Download PDF

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Publication number
JP4954605B2
JP4954605B2 JP2006134002A JP2006134002A JP4954605B2 JP 4954605 B2 JP4954605 B2 JP 4954605B2 JP 2006134002 A JP2006134002 A JP 2006134002A JP 2006134002 A JP2006134002 A JP 2006134002A JP 4954605 B2 JP4954605 B2 JP 4954605B2
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Japan
Prior art keywords
inner edge
aperture
radius
state
opening
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Expired - Fee Related
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JP2006134002A
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Japanese (ja)
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JP2007304419A (ja
JP2007304419A5 (enExample
Inventor
宏一 島田
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Canon Electronics Inc
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Canon Electronics Inc
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Application filed by Canon Electronics Inc filed Critical Canon Electronics Inc
Priority to JP2006134002A priority Critical patent/JP4954605B2/ja
Publication of JP2007304419A publication Critical patent/JP2007304419A/ja
Publication of JP2007304419A5 publication Critical patent/JP2007304419A5/ja
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Publication of JP4954605B2 publication Critical patent/JP4954605B2/ja
Expired - Fee Related legal-status Critical Current
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  • Diaphragms For Cameras (AREA)
JP2006134002A 2006-05-12 2006-05-12 光量調節装置、レンズ装置および撮像装置 Expired - Fee Related JP4954605B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2006134002A JP4954605B2 (ja) 2006-05-12 2006-05-12 光量調節装置、レンズ装置および撮像装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2006134002A JP4954605B2 (ja) 2006-05-12 2006-05-12 光量調節装置、レンズ装置および撮像装置

Publications (3)

Publication Number Publication Date
JP2007304419A JP2007304419A (ja) 2007-11-22
JP2007304419A5 JP2007304419A5 (enExample) 2009-06-25
JP4954605B2 true JP4954605B2 (ja) 2012-06-20

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ID=38838386

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Application Number Title Priority Date Filing Date
JP2006134002A Expired - Fee Related JP4954605B2 (ja) 2006-05-12 2006-05-12 光量調節装置、レンズ装置および撮像装置

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JP (1) JP4954605B2 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9069230B2 (en) 2013-06-28 2015-06-30 Sony Corporation Diaphragm unit, lens apparatus, and image pickup apparatus

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7641097B2 (ja) 2020-08-28 2025-03-06 キヤノン電子株式会社 光量調節装置及び光学機器

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55117135A (en) * 1979-02-28 1980-09-09 Matsushita Electric Works Ltd Iris shutter
JP2712152B2 (ja) * 1986-06-28 1998-02-10 ミノルタ株式会社 絞り装置
JPH02156233A (ja) * 1988-12-08 1990-06-15 Nikon Corp 絞り装置
JP3019500B2 (ja) * 1991-07-08 2000-03-13 株式会社ニコン カメラレンズの絞り装置
JP2002099022A (ja) * 2000-09-25 2002-04-05 Cosina Co Ltd 絞り装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9069230B2 (en) 2013-06-28 2015-06-30 Sony Corporation Diaphragm unit, lens apparatus, and image pickup apparatus

Also Published As

Publication number Publication date
JP2007304419A (ja) 2007-11-22

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