JP2006195158A - ファインダー - Google Patents

ファインダー Download PDF

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Publication number
JP2006195158A
JP2006195158A JP2005006333A JP2005006333A JP2006195158A JP 2006195158 A JP2006195158 A JP 2006195158A JP 2005006333 A JP2005006333 A JP 2005006333A JP 2005006333 A JP2005006333 A JP 2005006333A JP 2006195158 A JP2006195158 A JP 2006195158A
Authority
JP
Japan
Prior art keywords
pentaprism
focusing screen
roof
finder
center
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.)
Withdrawn
Application number
JP2005006333A
Other languages
English (en)
Japanese (ja)
Other versions
JP2006195158A5 (enExample
Inventor
Isamu Hirai
勇 平井
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.)
Pentax Corp
Original Assignee
Pentax Corp
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 Pentax Corp filed Critical Pentax Corp
Priority to JP2005006333A priority Critical patent/JP2006195158A/ja
Priority to US11/329,089 priority patent/US20060153557A1/en
Publication of JP2006195158A publication Critical patent/JP2006195158A/ja
Publication of JP2006195158A5 publication Critical patent/JP2006195158A5/ja
Withdrawn legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
    • G03B13/02—Viewfinders
    • G03B13/06—Viewfinders with lenses with or without reflectors
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/40—Optical focusing aids
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
    • G03B13/18—Focusing aids
    • G03B13/24—Focusing screens
    • G03B13/26—Focusing screens with magnifiers for inspecting image formed on screen

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Viewfinders (AREA)
  • Lenses (AREA)
JP2005006333A 2005-01-13 2005-01-13 ファインダー Withdrawn JP2006195158A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2005006333A JP2006195158A (ja) 2005-01-13 2005-01-13 ファインダー
US11/329,089 US20060153557A1 (en) 2005-01-13 2006-01-11 Viewfinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005006333A JP2006195158A (ja) 2005-01-13 2005-01-13 ファインダー

Publications (2)

Publication Number Publication Date
JP2006195158A true JP2006195158A (ja) 2006-07-27
JP2006195158A5 JP2006195158A5 (enExample) 2008-01-31

Family

ID=36653350

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005006333A Withdrawn JP2006195158A (ja) 2005-01-13 2005-01-13 ファインダー

Country Status (2)

Country Link
US (1) US20060153557A1 (enExample)
JP (1) JP2006195158A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010171599A (ja) * 2009-01-21 2010-08-05 Canon Inc 画像処理装置および方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5838504A (en) * 1993-04-27 1998-11-17 Asahi Kogaku Kogyo Kabushiki Kaisha Prism and real image type view finder
JPH09211544A (ja) * 1996-01-31 1997-08-15 Nikon Corp 実像式ファインダ装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010171599A (ja) * 2009-01-21 2010-08-05 Canon Inc 画像処理装置および方法

Also Published As

Publication number Publication date
US20060153557A1 (en) 2006-07-13

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