FR2453421A1 - Lens fixing for camera - in which dowel maintains correct angular alignment when screwing down captive collar nut on attachment - Google Patents

Lens fixing for camera - in which dowel maintains correct angular alignment when screwing down captive collar nut on attachment

Info

Publication number
FR2453421A1
FR2453421A1 FR7908832A FR7908832A FR2453421A1 FR 2453421 A1 FR2453421 A1 FR 2453421A1 FR 7908832 A FR7908832 A FR 7908832A FR 7908832 A FR7908832 A FR 7908832A FR 2453421 A1 FR2453421 A1 FR 2453421A1
Authority
FR
France
Prior art keywords
dowel
camera
attachment
lens fixing
screwing down
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.)
Granted
Application number
FR7908832A
Other languages
French (fr)
Other versions
FR2453421B3 (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.)
Beaulieu SA
Original Assignee
Beaulieu SA
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 Beaulieu SA filed Critical Beaulieu SA
Priority to FR7908832A priority Critical patent/FR2453421A1/en
Publication of FR2453421A1 publication Critical patent/FR2453421A1/en
Application granted granted Critical
Publication of FR2453421B3 publication Critical patent/FR2453421B3/fr
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
    • 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
    • G03B17/14—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets interchangeably

Landscapes

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

Abstract

The lens fixing comprises a ring (3) mounted on the camera (1). This ring has a flat top surface and is provided with an outer (4) and an inner (11) screw thread. The latter thread is used for attaching a normal accessory. The lens attachment (2) has a collar flange (8) on its end, the exposed surface being flat and provided with a dowel (9). This dowel fits into a matching hole (1) in the camera mount and the assembly is secured by screwing down a captive collar nut (5) on the lens attachment, after locating a spigot.
FR7908832A 1979-04-06 1979-04-06 Lens fixing for camera - in which dowel maintains correct angular alignment when screwing down captive collar nut on attachment Granted FR2453421A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7908832A FR2453421A1 (en) 1979-04-06 1979-04-06 Lens fixing for camera - in which dowel maintains correct angular alignment when screwing down captive collar nut on attachment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7908832A FR2453421A1 (en) 1979-04-06 1979-04-06 Lens fixing for camera - in which dowel maintains correct angular alignment when screwing down captive collar nut on attachment

Publications (2)

Publication Number Publication Date
FR2453421A1 true FR2453421A1 (en) 1980-10-31
FR2453421B3 FR2453421B3 (en) 1982-01-29

Family

ID=9224092

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7908832A Granted FR2453421A1 (en) 1979-04-06 1979-04-06 Lens fixing for camera - in which dowel maintains correct angular alignment when screwing down captive collar nut on attachment

Country Status (1)

Country Link
FR (1) FR2453421A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0031151A2 (en) * 1979-12-24 1981-07-01 Olympus Optical Co., Ltd. Device for fitting an attachment to an endoscope ocular section
EP0637167A1 (en) * 1992-04-30 1995-02-01 Jos. Schneider Optische Werke Kreuznach GmbH & Co. KG Measuring camera
GB2485976A (en) * 2010-11-25 2012-06-06 Infared Integrated Systems Ltd Interchangeable lens assembly and camera having same

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0031151A2 (en) * 1979-12-24 1981-07-01 Olympus Optical Co., Ltd. Device for fitting an attachment to an endoscope ocular section
EP0031151A3 (en) * 1979-12-24 1982-02-10 Olympus Optical Co., Ltd. Device for fitting an attachment to an endoscope ocular section
EP0637167A1 (en) * 1992-04-30 1995-02-01 Jos. Schneider Optische Werke Kreuznach GmbH & Co. KG Measuring camera
GB2485976A (en) * 2010-11-25 2012-06-06 Infared Integrated Systems Ltd Interchangeable lens assembly and camera having same

Also Published As

Publication number Publication date
FR2453421B3 (en) 1982-01-29

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Legal Events

Date Code Title Description
ST Notification of lapse