JPH0428286B2 - - Google Patents

Info

Publication number
JPH0428286B2
JPH0428286B2 JP59152380A JP15238084A JPH0428286B2 JP H0428286 B2 JPH0428286 B2 JP H0428286B2 JP 59152380 A JP59152380 A JP 59152380A JP 15238084 A JP15238084 A JP 15238084A JP H0428286 B2 JPH0428286 B2 JP H0428286B2
Authority
JP
Japan
Prior art keywords
lens
eyepiece
optical system
negative lens
finder optical
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 - Lifetime
Application number
JP59152380A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6129816A (ja
Inventor
Yutaka Sakai
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.)
Fujinon Corp
Original Assignee
Fuji Photo Optical 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 Fuji Photo Optical Co Ltd filed Critical Fuji Photo Optical Co Ltd
Priority to JP15238084A priority Critical patent/JPS6129816A/ja
Priority to US06/658,595 priority patent/US4614409A/en
Publication of JPS6129816A publication Critical patent/JPS6129816A/ja
Publication of JPH0428286B2 publication Critical patent/JPH0428286B2/ja
Granted legal-status Critical Current

Links

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
    • G03B19/00—Cameras
    • G03B19/02—Still-picture cameras
    • G03B19/12—Reflex cameras with single objective and a movable reflector or a partly-transmitting mirror
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B25/00—Eyepieces; Magnifying glasses
    • G02B25/001—Eyepieces

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
  • Viewfinders (AREA)
JP15238084A 1984-07-23 1984-07-23 フアインダ光学系 Granted JPS6129816A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP15238084A JPS6129816A (ja) 1984-07-23 1984-07-23 フアインダ光学系
US06/658,595 US4614409A (en) 1984-07-23 1984-10-09 Finder optical system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15238084A JPS6129816A (ja) 1984-07-23 1984-07-23 フアインダ光学系

Publications (2)

Publication Number Publication Date
JPS6129816A JPS6129816A (ja) 1986-02-10
JPH0428286B2 true JPH0428286B2 (en]) 1992-05-14

Family

ID=15539259

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15238084A Granted JPS6129816A (ja) 1984-07-23 1984-07-23 フアインダ光学系

Country Status (2)

Country Link
US (1) US4614409A (en])
JP (1) JPS6129816A (en])

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2617965B2 (ja) * 1988-01-20 1997-06-11 オリンパス光学工業株式会社 一眼レフレックスカメラのファインダー光学系
JP2607959B2 (ja) * 1989-10-27 1997-05-07 オリンパス光学工業株式会社 光学系
US5410430A (en) * 1991-11-25 1995-04-25 Asahi Kogaku Kogyo Kabushiki Kaisha Variable power view finder
GB2282461A (en) * 1991-11-25 1995-04-05 Asahi Optical Co Ltd Variable power view finder
JPH05173068A (ja) * 1991-12-20 1993-07-13 Olympus Optical Co Ltd 小型ズームレンズ
JP3506391B2 (ja) * 1993-12-15 2004-03-15 富士写真光機株式会社 ２枚玉による結像レンズ
US6945657B2 (en) * 2000-10-19 2005-09-20 Pentax Corporation Surveying instrument
US7509046B2 (en) * 2005-01-11 2009-03-24 Olympus Imaging Corp. Optical system, finder optical system, relay type finder optical system, eyepiece optical system, and single-lens reflex camera

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS548468Y2 (en]) * 1974-10-20 1979-04-18
US4047207A (en) * 1976-01-13 1977-09-06 Optigon Research & Development Corporation Viewing system for reflex camera
US4047222A (en) * 1976-01-13 1977-09-06 Optigon Research & Development Corporation Camera viewfinding system
US4066339A (en) * 1976-07-16 1978-01-03 American Optical Corporation Optometer eyepiece
JPS6018966B2 (ja) * 1977-11-16 1985-05-14 オリンパス光学工業株式会社 内視鏡用写真接眼レンズ

Also Published As

Publication number Publication date
JPS6129816A (ja) 1986-02-10
US4614409A (en) 1986-09-30

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