JP4289766B2 - 光量調整装置 - Google Patents

光量調整装置 Download PDF

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Publication number
JP4289766B2
JP4289766B2 JP2000194311A JP2000194311A JP4289766B2 JP 4289766 B2 JP4289766 B2 JP 4289766B2 JP 2000194311 A JP2000194311 A JP 2000194311A JP 2000194311 A JP2000194311 A JP 2000194311A JP 4289766 B2 JP4289766 B2 JP 4289766B2
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JP
Japan
Prior art keywords
illuminance
optical path
filter
neutral density
aperture
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
JP2000194311A
Other languages
English (en)
Japanese (ja)
Other versions
JP2002014384A5 (cg-RX-API-DMAC7.html
JP2002014384A (ja
Inventor
英一 長岡
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.)
Panasonic Corp
Panasonic Holdings Corp
Original Assignee
Panasonic Corp
Matsushita Electric Industrial Co Ltd
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.)
Filing date
Publication date
Application filed by Panasonic Corp, Matsushita Electric Industrial Co Ltd filed Critical Panasonic Corp
Priority to JP2000194311A priority Critical patent/JP4289766B2/ja
Publication of JP2002014384A publication Critical patent/JP2002014384A/ja
Publication of JP2002014384A5 publication Critical patent/JP2002014384A5/ja
Application granted granted Critical
Publication of JP4289766B2 publication Critical patent/JP4289766B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Images

Landscapes

  • Exposure Control For Cameras (AREA)
  • Cameras In General (AREA)
  • Diaphragms For Cameras (AREA)
  • Blocking Light For Cameras (AREA)
  • Studio Devices (AREA)
JP2000194311A 2000-06-28 2000-06-28 光量調整装置 Expired - Fee Related JP4289766B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2000194311A JP4289766B2 (ja) 2000-06-28 2000-06-28 光量調整装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000194311A JP4289766B2 (ja) 2000-06-28 2000-06-28 光量調整装置

Publications (3)

Publication Number Publication Date
JP2002014384A JP2002014384A (ja) 2002-01-18
JP2002014384A5 JP2002014384A5 (cg-RX-API-DMAC7.html) 2006-06-15
JP4289766B2 true JP4289766B2 (ja) 2009-07-01

Family

ID=18693162

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000194311A Expired - Fee Related JP4289766B2 (ja) 2000-06-28 2000-06-28 光量調整装置

Country Status (1)

Country Link
JP (1) JP4289766B2 (cg-RX-API-DMAC7.html)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4599025B2 (ja) 2002-08-08 2010-12-15 キヤノン株式会社 撮像装置
JP3802870B2 (ja) 2002-12-20 2006-07-26 株式会社タムロン 光量調節装置
JP4510783B2 (ja) * 2006-05-23 2010-07-28 キヤノン株式会社 光学機器
CN103217222B (zh) * 2013-04-10 2015-07-01 中国船舶重工集团公司第七一七研究所 一种模拟红外目标的可变光阑装置

Also Published As

Publication number Publication date
JP2002014384A (ja) 2002-01-18

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