GB492945A - Improvements in or relating to the attachment of filter mountings to photographic cameras - Google Patents

Improvements in or relating to the attachment of filter mountings to photographic cameras

Info

Publication number
GB492945A
GB492945A GB1058/38A GB105838A GB492945A GB 492945 A GB492945 A GB 492945A GB 1058/38 A GB1058/38 A GB 1058/38A GB 105838 A GB105838 A GB 105838A GB 492945 A GB492945 A GB 492945A
Authority
GB
United Kingdom
Prior art keywords
attachment
filter
photographic cameras
relating
external thread
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
GB1058/38A
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.)
Zeiss Ikon AG
Original Assignee
Zeiss Ikon AG
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 Zeiss Ikon AG filed Critical Zeiss Ikon AG
Publication of GB492945A publication Critical patent/GB492945A/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
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/02—Bodies
    • G03B17/12—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Structure And Mechanism Of Cameras (AREA)
  • Blocking Light For Cameras (AREA)

Abstract

492,945. Lens fittings for photographic cameras. ZEISS IKON AKT.-GES. Jan. 12, 1938, Nos. 1058 and 1059. Convention dates, Feb. 24, 1937 and March 11, 1937. [Class 98 (i)] A filter mounting 3 is internally threaded to co-operate with an external thread 2 on the objective mounting 1 for attachment thereto. The filter mounting may have an external thread 4 for the attachment of a further fitting such as a sky filter. The screw-threads 2, 4 are milled to facilitate removal of the fittings.
GB1058/38A 1937-02-24 1938-01-12 Improvements in or relating to the attachment of filter mountings to photographic cameras Expired GB492945A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE492945X 1937-02-24

Publications (1)

Publication Number Publication Date
GB492945A true GB492945A (en) 1938-09-29

Family

ID=6544490

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1058/38A Expired GB492945A (en) 1937-02-24 1938-01-12 Improvements in or relating to the attachment of filter mountings to photographic cameras

Country Status (1)

Country Link
GB (1) GB492945A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE967274C (en) * 1953-10-17 1957-10-31 Voigtlaender Ag Fastening device for attachment elements on photographic cameras

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE967274C (en) * 1953-10-17 1957-10-31 Voigtlaender Ag Fastening device for attachment elements on photographic cameras

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