JP3976893B2 - 光量調整装置及び光量調整方法 - Google Patents

光量調整装置及び光量調整方法 Download PDF

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Publication number
JP3976893B2
JP3976893B2 JP17995098A JP17995098A JP3976893B2 JP 3976893 B2 JP3976893 B2 JP 3976893B2 JP 17995098 A JP17995098 A JP 17995098A JP 17995098 A JP17995098 A JP 17995098A JP 3976893 B2 JP3976893 B2 JP 3976893B2
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Japan
Prior art keywords
filter
state
optical path
diaphragm
light
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Expired - Fee Related
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JP17995098A
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Japanese (ja)
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JP2000010150A (ja
JP2000010150A5 (enExample
Inventor
直也 金田
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Canon Inc
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Canon Inc
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Priority to JP17995098A priority Critical patent/JP3976893B2/ja
Publication of JP2000010150A publication Critical patent/JP2000010150A/ja
Publication of JP2000010150A5 publication Critical patent/JP2000010150A5/ja
Priority to US11/558,975 priority patent/US7567286B2/en
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Publication of JP3976893B2 publication Critical patent/JP3976893B2/ja
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  • Studio Devices (AREA)
JP17995098A 1998-02-02 1998-06-26 光量調整装置及び光量調整方法 Expired - Fee Related JP3976893B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP17995098A JP3976893B2 (ja) 1998-06-26 1998-06-26 光量調整装置及び光量調整方法
US11/558,975 US7567286B2 (en) 1998-02-02 2006-11-13 Image pickup apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17995098A JP3976893B2 (ja) 1998-06-26 1998-06-26 光量調整装置及び光量調整方法

Publications (3)

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JP2000010150A JP2000010150A (ja) 2000-01-14
JP2000010150A5 JP2000010150A5 (enExample) 2005-10-20
JP3976893B2 true JP3976893B2 (ja) 2007-09-19

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ID=16074796

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Application Number Title Priority Date Filing Date
JP17995098A Expired - Fee Related JP3976893B2 (ja) 1998-02-02 1998-06-26 光量調整装置及び光量調整方法

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JP (1) JP3976893B2 (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003015020A (ja) * 2001-06-27 2003-01-15 Canon Inc 撮像装置及び撮像方法
JP4599025B2 (ja) 2002-08-08 2010-12-15 キヤノン株式会社 撮像装置
JP2005045648A (ja) 2003-07-24 2005-02-17 Sony Corp 撮像装置の露出制御方法
WO2013031429A1 (ja) 2011-08-31 2013-03-07 富士フイルム株式会社 レンズ装置、カメラシステム、露出制御方法
AU2018230767A1 (en) * 2017-03-08 2019-10-03 Gary Sharp Innovations, Inc. Wide angle variable neutral density filter

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Publication number Publication date
JP2000010150A (ja) 2000-01-14

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