JPS5923330A - アルバダ式フアインダ− - Google Patents

アルバダ式フアインダ−

Info

Publication number
JPS5923330A
JPS5923330A JP57133124A JP13312482A JPS5923330A JP S5923330 A JPS5923330 A JP S5923330A JP 57133124 A JP57133124 A JP 57133124A JP 13312482 A JP13312482 A JP 13312482A JP S5923330 A JPS5923330 A JP S5923330A
Authority
JP
Japan
Prior art keywords
frame
frame image
objective lens
reflective surface
aberration
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.)
Granted
Application number
JP57133124A
Other languages
English (en)
Japanese (ja)
Other versions
JPS637365B2 (enrdf_load_stackoverflow
Inventor
Shuichi Kikuchi
修一 菊地
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP57133124A priority Critical patent/JPS5923330A/ja
Publication of JPS5923330A publication Critical patent/JPS5923330A/ja
Publication of JPS637365B2 publication Critical patent/JPS637365B2/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
    • 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
    • G03B13/08—Viewfinders with lenses with or without reflectors with reflected image of frame

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Viewfinders (AREA)
  • Lenses (AREA)
JP57133124A 1982-07-30 1982-07-30 アルバダ式フアインダ− Granted JPS5923330A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57133124A JPS5923330A (ja) 1982-07-30 1982-07-30 アルバダ式フアインダ−

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57133124A JPS5923330A (ja) 1982-07-30 1982-07-30 アルバダ式フアインダ−

Publications (2)

Publication Number Publication Date
JPS5923330A true JPS5923330A (ja) 1984-02-06
JPS637365B2 JPS637365B2 (enrdf_load_stackoverflow) 1988-02-16

Family

ID=15097344

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57133124A Granted JPS5923330A (ja) 1982-07-30 1982-07-30 アルバダ式フアインダ−

Country Status (1)

Country Link
JP (1) JPS5923330A (enrdf_load_stackoverflow)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61267727A (ja) * 1985-05-23 1986-11-27 Minolta Camera Co Ltd 倍率可変フアインダ
JPS61270721A (ja) * 1985-05-27 1986-12-01 Nippon Kogaku Kk <Nikon> 倍率変換式逆ガリレオフアインダ−
JPS6219423U (enrdf_load_stackoverflow) * 1985-07-22 1987-02-05
US4650293A (en) * 1984-10-11 1987-03-17 Minolta Camera Kabushiki Kaisha Albada finder optical system of inverted Galilean type
US4763997A (en) * 1985-10-03 1988-08-16 Minolta Camera Kabushiki Kaisha Viewfinder optical system of inverted Galilean type with great magnification

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4650293A (en) * 1984-10-11 1987-03-17 Minolta Camera Kabushiki Kaisha Albada finder optical system of inverted Galilean type
JPS61267727A (ja) * 1985-05-23 1986-11-27 Minolta Camera Co Ltd 倍率可変フアインダ
JPS61270721A (ja) * 1985-05-27 1986-12-01 Nippon Kogaku Kk <Nikon> 倍率変換式逆ガリレオフアインダ−
JPS6219423U (enrdf_load_stackoverflow) * 1985-07-22 1987-02-05
US4763997A (en) * 1985-10-03 1988-08-16 Minolta Camera Kabushiki Kaisha Viewfinder optical system of inverted Galilean type with great magnification

Also Published As

Publication number Publication date
JPS637365B2 (enrdf_load_stackoverflow) 1988-02-16

Similar Documents

Publication Publication Date Title
US6195207B1 (en) Head or face mounted image display apparatus
US6041193A (en) Real-image zoom finder with rotationally asymmetric surface
JPH01257817A (ja) 変倍ファインダー光学系
JP3064337B2 (ja) 実像式変倍ファインダー光学系
JPH05113534A (ja) レトロフオーカス型レンズ
US4265529A (en) Camera viewfinder
JP2020034690A (ja) 投射光学系および画像投射装置
JPH07225411A (ja) 採光式ブライトフレームファインダ
JPH0784185A (ja) 反射光学系
JPS6185921A (ja) 眼底観察撮影装置
JPS5923330A (ja) アルバダ式フアインダ−
US4731625A (en) Finder optical system for a single-lens reflex camera
US5270758A (en) Waist level finder optical system
JP3026233B2 (ja) 採光式ブライトフレームファインダー
JP2621254B2 (ja) 一眼レフレックスカメラの接眼レンズ
US3175457A (en) Albada viewfinder with integral reflector and lens means for viewing external pointer
JP3600770B2 (ja) ファインダ内表示光学系
JP2716526B2 (ja) 焦点検出用光学系
US3634000A (en) Wide-angle lens comprising eight components
JP3677791B2 (ja) 実像式ファインダ
JPS58216218A (ja) アルバダ式逆ガリレオフアインダ−
JPH0685021B2 (ja) 硬性内視鏡光学系
KR19990030278A (ko) 실상식 파인더
SU584275A1 (ru) Широкоугольный окул р
JPH0617936B2 (ja) ファインダ−光学系