JP4900678B2 - Ｎｄフィルタを有する絞り装置及び光学機器 - Google Patents

Ｎｄフィルタを有する絞り装置及び光学機器 Download PDF

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Publication number
JP4900678B2
JP4900678B2 JP2006216462A JP2006216462A JP4900678B2 JP 4900678 B2 JP4900678 B2 JP 4900678B2 JP 2006216462 A JP2006216462 A JP 2006216462A JP 2006216462 A JP2006216462 A JP 2006216462A JP 4900678 B2 JP4900678 B2 JP 4900678B2
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area
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JP2006216462A
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Japanese (ja)
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JP2007094385A5 (enExample
JP2007094385A (ja
Inventor
孝幸 若林
道男 柳
真志 内山
康典 斎藤
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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 JP2006216462A priority Critical patent/JP4900678B2/ja
Priority to US11/467,329 priority patent/US8755134B2/en
Publication of JP2007094385A publication Critical patent/JP2007094385A/ja
Publication of JP2007094385A5 publication Critical patent/JP2007094385A5/ja
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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/205—Neutral density filters

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Diaphragms For Cameras (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Studio Devices (AREA)
  • Blocking Light For Cameras (AREA)
JP2006216462A 2005-08-30 2006-08-09 Ｎｄフィルタを有する絞り装置及び光学機器 Expired - Fee Related JP4900678B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2006216462A JP4900678B2 (ja) 2005-08-30 2006-08-09 Ｎｄフィルタを有する絞り装置及び光学機器
US11/467,329 US8755134B2 (en) 2005-08-30 2006-08-25 ND filter, and iris device and optical apparatus having the same

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2005248717 2005-08-30
JP2005248717 2005-08-30
JP2006216462A JP4900678B2 (ja) 2005-08-30 2006-08-09 Ｎｄフィルタを有する絞り装置及び光学機器

Publications (3)

Publication Number Publication Date
JP2007094385A JP2007094385A (ja) 2007-04-12
JP2007094385A5 JP2007094385A5 (enExample) 2009-09-24
JP4900678B2 true JP4900678B2 (ja) 2012-03-21

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ID=37803724

Family Applications (1)

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JP2006216462A Expired - Fee Related JP4900678B2 (ja) 2005-08-30 2006-08-09 Ｎｄフィルタを有する絞り装置及び光学機器

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US (1) US8755134B2 (enExample)
JP (1) JP4900678B2 (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7296902B2 (en) * 2005-07-27 2007-11-20 Christie Digital Systems Canada, Inc. Opto-mechanical filter for blending of images from a digital projector
JP5174588B2 (ja) * 2008-08-29 2013-04-03 キヤノン電子株式会社 光学フィルタ及び光学フィルタの製造方法
JP5731772B2 (ja) 2010-08-30 2015-06-10 キヤノン株式会社 撮像装置及びその制御方法
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
JP2013002819A (ja) * 2011-06-10 2013-01-07 Horiba Ltd 平面度測定装置
EP2871500A1 (en) * 2013-11-08 2015-05-13 Barco, Naamloze Vennootschap (N.V) Optical filter and method for preparing same
JP2015175865A (ja) * 2014-03-13 2015-10-05 セイコーエプソン株式会社 光学部品、光学部品の製造方法、電子機器、および移動体
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
FR3092396B1 (fr) * 2019-01-31 2021-04-09 Centre Nat Rech Scient Système de contrôle de surfaces d’onde optique par filtre à gradient de densité
CN111314594B (zh) * 2020-03-19 2021-11-12 闻泰通讯股份有限公司 摄像头模组、控制方法、装置、电子设备和存储介质
CN112489564B (zh) * 2020-12-15 2025-05-02 京东方科技集团股份有限公司 柔性支撑板和柔性显示装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6078442A (en) * 1997-06-27 2000-06-20 Asahi Seimitsu Kabushiki Kaisha ND filter
JP4637383B2 (ja) 2001-03-15 2011-02-23 キヤノン電子株式会社 Ｎｄフィルタ、ｎｄフィルタの製造方法、光量調節装置および撮影装置
US6866431B2 (en) * 2002-02-19 2005-03-15 Canon Kabushiki Kaisha Light amount adjustment apparatus, manufacturing method, and photographing apparatus
JP3621941B2 (ja) 2002-09-24 2005-02-23 キヤノン電子株式会社 Ｎｄフィルタの製造方法及びこのｎｄフィルタを有する光量絞り装置及びカメラ
US7042662B2 (en) * 2002-12-26 2006-05-09 Canon Kabushiki Kaisha Light amount adjusting device, and optical device using the light amount adjusting device
JP2004253892A (ja) 2003-02-18 2004-09-09 Canon Inc 光量調整装置
JP4345962B2 (ja) 2003-06-30 2009-10-14 キヤノン電子株式会社 Ｎｄフィルタを備えた光量絞り装置、カメラ
JP4464184B2 (ja) * 2004-04-15 2010-05-19 キヤノン株式会社 光学フィルタ
JP2006227432A (ja) * 2005-02-18 2006-08-31 Nisca Corp 光学フィルタの製造方法及びこれを用いた光学フィルタ並びに光量調整装置

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Publication number Publication date
US8755134B2 (en) 2014-06-17
US20070047118A1 (en) 2007-03-01
JP2007094385A (ja) 2007-04-12

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