JPS647367B2 - - Google Patents

Info

Publication number
JPS647367B2
JPS647367B2 JP9371280A JP9371280A JPS647367B2 JP S647367 B2 JPS647367 B2 JP S647367B2 JP 9371280 A JP9371280 A JP 9371280A JP 9371280 A JP9371280 A JP 9371280A JP S647367 B2 JPS647367 B2 JP S647367B2
Authority
JP
Japan
Prior art keywords
plate
camera body
focus
focus plate
unit
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
JP9371280A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5719721A (en
Inventor
Makoto Katsuma
Kenichi Niihori
Masayuki Suzuki
Hiroyasu Murakami
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 JP9371280A priority Critical patent/JPS5719721A/ja
Priority to DE3102979A priority patent/DE3102979C2/de
Priority to US06/230,272 priority patent/US4346973A/en
Publication of JPS5719721A publication Critical patent/JPS5719721A/ja
Publication of JPS647367B2 publication Critical patent/JPS647367B2/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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Viewfinders (AREA)
JP9371280A 1980-01-31 1980-07-09 Interchangeable focal plate unit for reflex camera Granted JPS5719721A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP9371280A JPS5719721A (en) 1980-07-09 1980-07-09 Interchangeable focal plate unit for reflex camera
DE3102979A DE3102979C2 (de) 1980-01-31 1981-01-29 Austauschvorrichtung für eine Einstellscheibe bei einer einäugigen Spiegelreflexkamera
US06/230,272 US4346973A (en) 1980-01-31 1981-01-30 Focusing screen interchanging device in single lens reflex camera

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9371280A JPS5719721A (en) 1980-07-09 1980-07-09 Interchangeable focal plate unit for reflex camera

Publications (2)

Publication Number Publication Date
JPS5719721A JPS5719721A (en) 1982-02-02
JPS647367B2 true JPS647367B2 (cs) 1989-02-08

Family

ID=14090024

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9371280A Granted JPS5719721A (en) 1980-01-31 1980-07-09 Interchangeable focal plate unit for reflex camera

Country Status (1)

Country Link
JP (1) JPS5719721A (cs)

Also Published As

Publication number Publication date
JPS5719721A (en) 1982-02-02

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