JP4464184B2 - 光学フィルタ - Google Patents

光学フィルタ Download PDF

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Publication number
JP4464184B2
JP4464184B2 JP2004120766A JP2004120766A JP4464184B2 JP 4464184 B2 JP4464184 B2 JP 4464184B2 JP 2004120766 A JP2004120766 A JP 2004120766A JP 2004120766 A JP2004120766 A JP 2004120766A JP 4464184 B2 JP4464184 B2 JP 4464184B2
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JP
Japan
Prior art keywords
transmittance
gradation
filter
region
optical film
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
JP2004120766A
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English (en)
Japanese (ja)
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JP2005301155A5 (enExample
JP2005301155A (ja
Inventor
直也 金田
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.)
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Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2004120766A priority Critical patent/JP4464184B2/ja
Publication of JP2005301155A publication Critical patent/JP2005301155A/ja
Publication of JP2005301155A5 publication Critical patent/JP2005301155A5/ja
Application granted granted Critical
Publication of JP4464184B2 publication Critical patent/JP4464184B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Optical Elements Other Than Lenses (AREA)
  • Diaphragms For Cameras (AREA)
JP2004120766A 2004-04-15 2004-04-15 光学フィルタ Expired - Fee Related JP4464184B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2004120766A JP4464184B2 (ja) 2004-04-15 2004-04-15 光学フィルタ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004120766A JP4464184B2 (ja) 2004-04-15 2004-04-15 光学フィルタ

Publications (3)

Publication Number Publication Date
JP2005301155A JP2005301155A (ja) 2005-10-27
JP2005301155A5 JP2005301155A5 (enExample) 2007-06-07
JP4464184B2 true JP4464184B2 (ja) 2010-05-19

Family

ID=35332732

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004120766A Expired - Fee Related JP4464184B2 (ja) 2004-04-15 2004-04-15 光学フィルタ

Country Status (1)

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JP (1) JP4464184B2 (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103589650A (zh) 2005-03-18 2014-02-19 米克罗比亚公司 产油酵母和真菌中类胡萝卜素的产生
JP4900678B2 (ja) 2005-08-30 2012-03-21 キヤノン電子株式会社 Ｎｄフィルタを有する絞り装置及び光学機器
JP2008008975A (ja) * 2006-06-27 2008-01-17 Sony Corp Ｎｄフィルタ、光量調節装置、レンズ鏡筒及び撮像装置
JP5227506B2 (ja) * 2006-10-31 2013-07-03 キヤノン電子株式会社 Ｎｄフィルタ
JP5711921B2 (ja) * 2010-09-01 2015-05-07 キヤノン電子株式会社 光学フィルタ及びグラデーションｎｄフィルタ
CA2916759C (en) 2013-08-08 2023-02-28 Knipbio Methylotrophs for aquaculture and animal feed
JP7093194B2 (ja) * 2018-02-14 2022-06-29 キヤノン電子株式会社 光源角度測定装置及び人工衛星
JP7353099B2 (ja) * 2019-08-19 2023-09-29 キヤノン電子株式会社 光源角度測定装置及び人工衛星
CN120722549A (zh) * 2025-08-26 2025-09-30 深圳智岩科技股份有限公司 光学系统及摄像头

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Publication number Publication date
JP2005301155A (ja) 2005-10-27

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