JP2013174818A5 - - Google Patents

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Publication number
JP2013174818A5
JP2013174818A5 JP2012040589A JP2012040589A JP2013174818A5 JP 2013174818 A5 JP2013174818 A5 JP 2013174818A5 JP 2012040589 A JP2012040589 A JP 2012040589A JP 2012040589 A JP2012040589 A JP 2012040589A JP 2013174818 A5 JP2013174818 A5 JP 2013174818A5
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JP
Japan
Prior art keywords
light wavelength
film
optical filter
transparent substrate
infrared light
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
JP2012040589A
Other languages
English (en)
Japanese (ja)
Other versions
JP5942472B2 (ja
JP2013174818A (ja
Filing date
Publication date
Application filed filed Critical
Priority to JP2012040589A priority Critical patent/JP5942472B2/ja
Priority claimed from JP2012040589A external-priority patent/JP5942472B2/ja
Publication of JP2013174818A publication Critical patent/JP2013174818A/ja
Publication of JP2013174818A5 publication Critical patent/JP2013174818A5/ja
Application granted granted Critical
Publication of JP5942472B2 publication Critical patent/JP5942472B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

JP2012040589A 2012-02-27 2012-02-27 光量調整装置 Active JP5942472B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2012040589A JP5942472B2 (ja) 2012-02-27 2012-02-27 光量調整装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2012040589A JP5942472B2 (ja) 2012-02-27 2012-02-27 光量調整装置

Publications (3)

Publication Number Publication Date
JP2013174818A JP2013174818A (ja) 2013-09-05
JP2013174818A5 true JP2013174818A5 (enrdf_load_stackoverflow) 2015-05-07
JP5942472B2 JP5942472B2 (ja) 2016-06-29

Family

ID=49267742

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2012040589A Active JP5942472B2 (ja) 2012-02-27 2012-02-27 光量調整装置

Country Status (1)

Country Link
JP (1) JP5942472B2 (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6864170B2 (ja) * 2016-02-23 2021-04-28 東海光学株式会社 Ndフィルタ及びカメラ用ndフィルタ
WO2017217053A1 (ja) * 2016-06-17 2017-12-21 シャープ株式会社 画像撮像装置およびフィルタ
JP7271121B2 (ja) * 2018-10-01 2023-05-11 キヤノン電子株式会社 光学フィルタ及び光学装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5070407A (en) * 1990-05-11 1991-12-03 Wheeler Ernest E Filter changing mechanism for a video camera
JP2002107509A (ja) * 2000-09-28 2002-04-10 Asahi Precision Co Ltd Ndフィルタ
JP2003279747A (ja) * 2001-07-25 2003-10-02 Daishinku Corp 光学ローパスフィルタおよび光学ローパスフィルタを用いた撮像装置
JP2005099208A (ja) * 2003-09-22 2005-04-14 Olympus Corp フィルタ装置及び撮像装置
JP2011237638A (ja) * 2010-05-11 2011-11-24 Fujifilm Corp 撮影装置
JP4914955B2 (ja) * 2010-08-04 2012-04-11 株式会社タナカ技研 Irカット機能付きndフィルタ

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