JPH0147771B2 - - Google Patents

Info

Publication number
JPH0147771B2
JPH0147771B2 JP19311681A JP19311681A JPH0147771B2 JP H0147771 B2 JPH0147771 B2 JP H0147771B2 JP 19311681 A JP19311681 A JP 19311681A JP 19311681 A JP19311681 A JP 19311681A JP H0147771 B2 JPH0147771 B2 JP H0147771B2
Authority
JP
Japan
Prior art keywords
prism
prisms
apex angle
optical axis
adjacent
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
Application number
JP19311681A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5895332A (ja
Inventor
Susumu Takahashi
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.)
Olympus Corp
Original Assignee
Olympus 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 Olympus Optical Co Ltd filed Critical Olympus Optical Co Ltd
Priority to JP19311681A priority Critical patent/JPS5895332A/ja
Publication of JPS5895332A publication Critical patent/JPS5895332A/ja
Publication of JPH0147771B2 publication Critical patent/JPH0147771B2/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
    • G03B13/18—Focusing aids
    • G03B13/24—Focusing screens
    • G03B13/28—Image-splitting devices

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Viewfinders (AREA)
JP19311681A 1981-12-01 1981-12-01 焦点板 Granted JPS5895332A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19311681A JPS5895332A (ja) 1981-12-01 1981-12-01 焦点板

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19311681A JPS5895332A (ja) 1981-12-01 1981-12-01 焦点板

Publications (2)

Publication Number Publication Date
JPS5895332A JPS5895332A (ja) 1983-06-06
JPH0147771B2 true JPH0147771B2 (US07534539-20090519-C00280.png) 1989-10-16

Family

ID=16302516

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19311681A Granted JPS5895332A (ja) 1981-12-01 1981-12-01 焦点板

Country Status (1)

Country Link
JP (1) JPS5895332A (US07534539-20090519-C00280.png)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005164914A (ja) * 2003-12-02 2005-06-23 Nikon Corp カメラのファインダー装置およびカメラ

Also Published As

Publication number Publication date
JPS5895332A (ja) 1983-06-06

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