ZA753092B - Information indicating device in a camera viewfinder - Google Patents

Information indicating device in a camera viewfinder

Info

Publication number
ZA753092B
ZA753092B ZA00753092A ZA753092A ZA753092B ZA 753092 B ZA753092 B ZA 753092B ZA 00753092 A ZA00753092 A ZA 00753092A ZA 753092 A ZA753092 A ZA 753092A ZA 753092 B ZA753092 B ZA 753092B
Authority
ZA
South Africa
Prior art keywords
information indicating
indicating device
camera viewfinder
viewfinder
camera
Prior art date
Application number
ZA00753092A
Other languages
English (en)
Inventor
K Kanno
Original Assignee
Asahi 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 Asahi Optical Co Ltd filed Critical Asahi Optical Co Ltd
Publication of ZA753092B publication Critical patent/ZA753092B/xx

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
    • G02B5/00—Optical elements other than lenses
    • G02B5/04—Prisms
    • 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
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/18—Signals indicating condition of a camera member or suitability of light
    • G03B17/20—Signals indicating condition of a camera member or suitability of light visible in viewfinder

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Viewfinders (AREA)
  • Indication In Cameras, And Counting Of Exposures (AREA)
  • Optical Elements Other Than Lenses (AREA)
ZA00753092A 1974-05-30 1975-05-13 Information indicating device in a camera viewfinder ZA753092B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6111174A JPS547461B2 (xx) 1974-05-30 1974-05-30

Publications (1)

Publication Number Publication Date
ZA753092B true ZA753092B (en) 1976-04-28

Family

ID=13161630

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00753092A ZA753092B (en) 1974-05-30 1975-05-13 Information indicating device in a camera viewfinder

Country Status (5)

Country Link
US (1) US4021830A (xx)
JP (1) JPS547461B2 (xx)
FR (1) FR2280100A1 (xx)
GB (1) GB1498976A (xx)
ZA (1) ZA753092B (xx)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52143937U (xx) * 1976-04-27 1977-10-31
US4251146A (en) * 1979-01-29 1981-02-17 Polaroid Corporation Photographic apparatus for providing a signal visible in a camera viewfinder
JPS55105239A (en) * 1979-02-07 1980-08-12 Canon Inc Finder of single-lens reflex camera
JP3676524B2 (ja) * 1996-10-25 2005-07-27 ペンタックス株式会社 プリズム
US6941069B2 (en) * 2003-01-17 2005-09-06 Pentax Corporation Light-projecting device
US7046925B2 (en) 2003-01-17 2006-05-16 Pentax Corporation Superimpose-plate for view finder
JP2004219908A (ja) * 2003-01-17 2004-08-05 Pentax Corp ファインダの投光装置
JP3920781B2 (ja) 2003-01-17 2007-05-30 ペンタックス株式会社 ファインダの投光装置
US7225548B2 (en) * 2004-05-17 2007-06-05 Sr2 Group, Llc System and method for aligning multiple sighting devices

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3128684A (en) * 1959-12-28 1964-04-14 Kamera & Kinowerke Dresden Veb Camera data device
DE1214080B (de) * 1961-11-11 1966-04-07 Zeiss Ikon Ag Spiegelreflexsucher mit Penta-Dachkantprisma
US3657985A (en) * 1969-12-03 1972-04-25 Asahi Optical Co Ltd Single lens reflex camera
US3757656A (en) * 1970-11-17 1973-09-11 Minolta Camera Kk Single lens reflex camera
JPS524926Y2 (xx) * 1971-12-20 1977-02-01
US3840298A (en) * 1972-02-07 1974-10-08 Canon Kk Mirror reflex viewfinder providing indications of photographing information
JPS48113936U (xx) * 1972-04-05 1973-12-26

Also Published As

Publication number Publication date
FR2280100B1 (xx) 1977-12-02
DE2523680B2 (de) 1977-06-08
JPS547461B2 (xx) 1979-04-06
US4021830A (en) 1977-05-03
FR2280100A1 (fr) 1976-02-20
DE2523680A1 (de) 1975-12-11
JPS50153634A (xx) 1975-12-10
GB1498976A (en) 1978-01-25

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