JP4478246B2 - ズームレンズ装置、ズームレンズシステムおよびカメラシステム - Google Patents

ズームレンズ装置、ズームレンズシステムおよびカメラシステム Download PDF

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Publication number
JP4478246B2
JP4478246B2 JP18140999A JP18140999A JP4478246B2 JP 4478246 B2 JP4478246 B2 JP 4478246B2 JP 18140999 A JP18140999 A JP 18140999A JP 18140999 A JP18140999 A JP 18140999A JP 4478246 B2 JP4478246 B2 JP 4478246B2
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JP
Japan
Prior art keywords
zoom
unit
light amount
focus
zoom lens
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
JP18140999A
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English (en)
Japanese (ja)
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JP2001013395A5 (enExample
JP2001013395A (ja
Inventor
健一 久保
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.)
Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP18140999A priority Critical patent/JP4478246B2/ja
Priority to US09/556,138 priority patent/US6337952B1/en
Publication of JP2001013395A publication Critical patent/JP2001013395A/ja
Publication of JP2001013395A5 publication Critical patent/JP2001013395A5/ja
Application granted granted Critical
Publication of JP4478246B2 publication Critical patent/JP4478246B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Landscapes

  • Studio Devices (AREA)
  • Focusing (AREA)
  • Lens Barrels (AREA)
  • Automatic Focus Adjustment (AREA)
JP18140999A 1999-04-26 1999-06-28 ズームレンズ装置、ズームレンズシステムおよびカメラシステム Expired - Fee Related JP4478246B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP18140999A JP4478246B2 (ja) 1999-06-28 1999-06-28 ズームレンズ装置、ズームレンズシステムおよびカメラシステム
US09/556,138 US6337952B1 (en) 1999-04-26 2000-04-21 Lens apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18140999A JP4478246B2 (ja) 1999-06-28 1999-06-28 ズームレンズ装置、ズームレンズシステムおよびカメラシステム

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2008326250A Division JP4709273B2 (ja) 2008-12-22 2008-12-22 ズームレンズ装置、ズームレンズシステムおよびカメラシステム

Publications (3)

Publication Number Publication Date
JP2001013395A JP2001013395A (ja) 2001-01-19
JP2001013395A5 JP2001013395A5 (enExample) 2006-08-10
JP4478246B2 true JP4478246B2 (ja) 2010-06-09

Family

ID=16100269

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18140999A Expired - Fee Related JP4478246B2 (ja) 1999-04-26 1999-06-28 ズームレンズ装置、ズームレンズシステムおよびカメラシステム

Country Status (1)

Country Link
JP (1) JP4478246B2 (enExample)

Also Published As

Publication number Publication date
JP2001013395A (ja) 2001-01-19

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