GB1342664A - Camera viewfinder having a lens for adjustment of visibility of the viewfinder - Google Patents

Camera viewfinder having a lens for adjustment of visibility of the viewfinder

Info

Publication number
GB1342664A
GB1342664A GB3284171A GB3284171A GB1342664A GB 1342664 A GB1342664 A GB 1342664A GB 3284171 A GB3284171 A GB 3284171A GB 3284171 A GB3284171 A GB 3284171A GB 1342664 A GB1342664 A GB 1342664A
Authority
GB
United Kingdom
Prior art keywords
viewfinder
lens
visibility
adjustment
camera
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
GB3284171A
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 GB1342664A publication Critical patent/GB1342664A/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
    • G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
    • G03B13/02—Viewfinders
    • G03B13/10—Viewfinders adjusting viewfinders field
    • G03B13/12—Viewfinders adjusting viewfinders field to compensate for change of camera lens or size of picture

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Viewfinders (AREA)
GB3284171A 1970-07-30 1971-07-13 Camera viewfinder having a lens for adjustment of visibility of the viewfinder Expired GB1342664A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1970076016U JPS4945955Y1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1970-07-30 1970-07-30

Publications (1)

Publication Number Publication Date
GB1342664A true GB1342664A (en) 1974-01-03

Family

ID=13593012

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3284171A Expired GB1342664A (en) 1970-07-30 1971-07-13 Camera viewfinder having a lens for adjustment of visibility of the viewfinder

Country Status (4)

Country Link
US (1) US3719132A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS4945955Y1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2137727C3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1342664A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4416528A (en) * 1982-06-17 1983-11-22 Sima Products Corporation Camera lens accessory mounting construction
JPH01166024A (ja) * 1987-12-22 1989-06-29 Canon Inc 実像式ファインダーのパララツクス調整機構
JP3238473B2 (ja) * 1992-06-30 2001-12-17 旭光学工業株式会社 ファインダの視野調整装置
US5299067A (en) * 1992-12-15 1994-03-29 Markzmen Optics Auxiliary lens attachment
USD443632S1 (en) 1998-09-14 2001-06-12 Victor Hasselblad Ab Camera adaptor frame

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2127925A (en) * 1935-01-31 1938-08-23 Leitz Ernst Gmbh Combined range finder and view finder
US2166148A (en) * 1936-10-24 1939-07-18 Askania Werke Ag Photographic camera
US2487773A (en) * 1947-01-22 1949-11-08 Schwartz Morris View finder for photographic apparatus
US2936685A (en) * 1957-01-09 1960-05-17 Eastman Kodak Co Camera wall and optical mount construction

Also Published As

Publication number Publication date
DE2137727B2 (de) 1973-11-08
DE2137727A1 (de) 1972-02-03
US3719132A (en) 1973-03-06
JPS4945955Y1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1974-12-16
DE2137727C3 (de) 1974-05-30

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee