GB1438161A - Light shielding arrangement for the viewfinder of a single lens reflex camera - Google Patents

Light shielding arrangement for the viewfinder of a single lens reflex camera

Info

Publication number
GB1438161A
GB1438161A GB2815573A GB2815573A GB1438161A GB 1438161 A GB1438161 A GB 1438161A GB 2815573 A GB2815573 A GB 2815573A GB 2815573 A GB2815573 A GB 2815573A GB 1438161 A GB1438161 A GB 1438161A
Authority
GB
United Kingdom
Prior art keywords
viewfinder
eye
light shielding
single lens
piece
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
GB2815573A
Other languages
English (en)
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.)
Pentax Corp
Original Assignee
Asahi Kogaku Kogyo 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 Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd
Publication of GB1438161A publication Critical patent/GB1438161A/en
Expired 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
    • G03B11/00—Filters or other obturators specially adapted for photographic purposes
    • G03B11/04—Hoods or caps for eliminating unwanted light from lenses, viewfinders or focusing aids
    • G03B11/046—Hoods or caps for eliminating unwanted light from lenses, viewfinders or focusing aids for viewfinders or eyepieces

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Control For Cameras (AREA)
  • Viewfinders (AREA)
  • Blocking Light For Cameras (AREA)
  • Cameras In General (AREA)
GB2815573A 1972-06-19 1973-06-13 Light shielding arrangement for the viewfinder of a single lens reflex camera Expired GB1438161A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1972071350U JPS5725207Y2 (enrdf_load_stackoverflow) 1972-06-19 1972-06-19

Publications (1)

Publication Number Publication Date
GB1438161A true GB1438161A (en) 1976-06-03

Family

ID=13457946

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2815573A Expired GB1438161A (en) 1972-06-19 1973-06-13 Light shielding arrangement for the viewfinder of a single lens reflex camera

Country Status (2)

Country Link
JP (1) JPS5725207Y2 (enrdf_load_stackoverflow)
GB (1) GB1438161A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2437010A1 (fr) * 1978-09-25 1980-04-18 Agfa Gevaert Ag Appareil photographique a transport de film par moteur
FR2489976A1 (enrdf_load_stackoverflow) * 1980-09-11 1982-03-12 Victor Company Of Japan
GB2277164A (en) * 1993-04-16 1994-10-19 Samsung Aerospace Ind A conversion system for a camera

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2437010A1 (fr) * 1978-09-25 1980-04-18 Agfa Gevaert Ag Appareil photographique a transport de film par moteur
FR2489976A1 (enrdf_load_stackoverflow) * 1980-09-11 1982-03-12 Victor Company Of Japan
GB2277164A (en) * 1993-04-16 1994-10-19 Samsung Aerospace Ind A conversion system for a camera
GB2277164B (en) * 1993-04-16 1997-04-16 Samsung Aerospace Ind A conversion system for a camera
US5751400A (en) * 1993-04-16 1998-05-12 Samsung Aerospace Industries, Ltd. Conversion system for a camera

Also Published As

Publication number Publication date
JPS5725207Y2 (enrdf_load_stackoverflow) 1982-06-01
JPS4929931U (enrdf_load_stackoverflow) 1974-03-14

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Legal Events

Date Code Title Description
PS Patent sealed
746 Register noted 'licences of right' (sect. 46/1977)
PE20 Patent expired after termination of 20 years

Effective date: 19930612