DE1831074U - ADJUSTABLE INTERMEDIATE RING FOR LENSES AND ATTACHMENTS ON PHOTOGRAPHIC CAMERAS. - Google Patents

ADJUSTABLE INTERMEDIATE RING FOR LENSES AND ATTACHMENTS ON PHOTOGRAPHIC CAMERAS.

Info

Publication number
DE1831074U
DE1831074U DE1961N0012139 DEN0012139U DE1831074U DE 1831074 U DE1831074 U DE 1831074U DE 1961N0012139 DE1961N0012139 DE 1961N0012139 DE N0012139 U DEN0012139 U DE N0012139U DE 1831074 U DE1831074 U DE 1831074U
Authority
DE
Germany
Prior art keywords
intermediate ring
lenses
attachments
photographic cameras
adjustable intermediate
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
DE1961N0012139
Other languages
German (de)
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.)
NOVOFLEX FOTOGERAETEBAU
Original Assignee
NOVOFLEX FOTOGERAETEBAU
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 NOVOFLEX FOTOGERAETEBAU filed Critical NOVOFLEX FOTOGERAETEBAU
Priority to DE1961N0012139 priority Critical patent/DE1831074U/en
Publication of DE1831074U publication Critical patent/DE1831074U/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B3/00Focusing arrangements of general interest for cameras, projectors or printers
    • G03B3/02Focusing arrangements of general interest for cameras, projectors or printers moving lens along baseboard

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Lens Barrels (AREA)

Description

Justierbarer Zwischenring für Objektive und Vorsatzgeräte an fotografischen Kameras.Adjustable intermediate ring for lenses and attachments on photographic Cameras.

Es ist bekannt, Objektive oder Vorsatzgeräte mittels eines Zwischenringes an andere Kameras anzupassen, für welche sie nicht bestimmt sind. Bei Schraubanschlüssen ist es nun sehr schwierig, die gewünschte genaue Stellung des Objektives oder Vorsatzgerätes zur Kamera zu erreichen, welche erforderlich ist, um z. B. die Organe zur Springblendenauslösung in eine funktionstüchtige Lage zu bringen. Ein völliges Übereinstimmen des Innengewindes zum Außengewinde oder Außenbajonett ist vor allem dann mit größten Schwierigkeiten verbunden, wenn gleichzeitig die Einhaltung eines genauen Auflagemaßes gefordert wird, damit die Schärfeleistung der objektive gewährleistet ist. Ziel der vorliegenden Neuerung ist es, einen Zwischenring für Objektive zu schaffen, der bei genauer Einhaltung des Auflagemaßes eine Verstellung im Bereich von 3600 um jeden gewünschten Betrag gestattet. Nach der Neuerung wird dies dadurch erreicht, daß der Zwischenring mit einer so groß bemessenen Ausdrehung versehen ist, daß er frei über die Gewindekämme des Objektivs gesteckt werden kann. Durch einen Gewindering, welcher in seiner Ausdrehung gelagert ist, wird er gegen die Anschlagfläche des Objektives festgezogen. In der gewünschten Lage kann er durch Sicherunglack oder durch einen Stift oder eine Schraube gegen unbeabsichtigtes Drehen gesichert werden. In der Zeichnung ist ein Ausführungsbeispiel der Neuerung, teilweise im Schnitt, näher erläutert. o- Auf das Gewinde 2 des Objektives 1 ist der Zwischenring 3 aufgesteckt. Seine Bajonettkämme sind mit 4 bezeichnet.It is known to use an intermediate ring to adapt lenses or attachments to other cameras for which they are not intended. With screw connections, it is now very difficult to achieve the desired exact position of the lens or attachment to the camera, which is necessary to z. B. to bring the organs for spring shutter release in a functional position. A complete matching of the internal thread to the external thread or external bayonet is associated with great difficulties, especially if at the same time compliance with an exact flange focal length is required so that the sharpness of the objective is guaranteed. The aim of the present innovation is to create an intermediate ring for lenses that allows adjustment in the range of 3600 by any desired amount, provided that the flange focal length is strictly adhered to. According to the innovation, this is achieved in that the intermediate ring is provided with such a large dimensioned recess that it can be freely inserted over the thread crests of the lens. It is tightened against the stop surface of the lens by a threaded ring, which is mounted in its recess. In the desired position, it can be secured against unintentional turning with a locking varnish or a pin or screw. In the drawing is an embodiment of the innovation, partly in section, explained in more detail. O- The intermediate ring 3 is pushed onto the thread 2 of the objective 1. Its bayonet combs are marked 4.

Der Gewindering 6, welcher auf dem Gewinde 2 gelagert ist, drückt den Bund 5 des Zwischenringes 3 gegen die Anschlagfläche 8 des Objektives 1. Durch die Stifte oder Schrauben 7 ist der Zwischenring 3 gegen Verdrehen gesichert. Durch die Neuerung ist ein Zwischenring geschaffen worden, der es gestattet, unter Einhaltung des Auflagemaßes ein Objektiv oder Vorsatzgerät in jeder gewünschten Lage an eine Kamera anzupassen.The threaded ring 6, which is mounted on the thread 2, presses the collar 5 of the intermediate ring 3 against the stop surface 8 of the lens 1. Through the pins or screws 7, the intermediate ring 3 is secured against rotation. By the innovation has been created an intermediate ring that allows it to be observed the back focus a lens or attachment in any desired position to a Adjust camera.

Claims (1)

Anspruch Justierbarer Zwischenring für Objektive und Vorsatzgerate an fotografischen Kameras, dadurch gekennzeichnet, daß der mit Bajonettkämmen (4) oder Außengewinde versehende Zwischenring einen Bund (5) aufweist und durch einen zweiten Ring (6) welcher auf dem Objektivgewinde (2) gelagert ist, gegen die Anschlagfläche (8) des Objektives (1) gedrückt wird.Claim Adjustable intermediate ring for lenses and attachments on photographic cameras, characterized in that the one with bayonet combs (4) or external thread providing intermediate ring has a collar (5) and through a second ring (6) which is mounted on the lens thread (2) against the stop surface (8) of the lens (1) is pressed.
DE1961N0012139 1961-02-08 1961-02-08 ADJUSTABLE INTERMEDIATE RING FOR LENSES AND ATTACHMENTS ON PHOTOGRAPHIC CAMERAS. Expired DE1831074U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE1961N0012139 DE1831074U (en) 1961-02-08 1961-02-08 ADJUSTABLE INTERMEDIATE RING FOR LENSES AND ATTACHMENTS ON PHOTOGRAPHIC CAMERAS.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1961N0012139 DE1831074U (en) 1961-02-08 1961-02-08 ADJUSTABLE INTERMEDIATE RING FOR LENSES AND ATTACHMENTS ON PHOTOGRAPHIC CAMERAS.

Publications (1)

Publication Number Publication Date
DE1831074U true DE1831074U (en) 1961-05-10

Family

ID=32975932

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1961N0012139 Expired DE1831074U (en) 1961-02-08 1961-02-08 ADJUSTABLE INTERMEDIATE RING FOR LENSES AND ATTACHMENTS ON PHOTOGRAPHIC CAMERAS.

Country Status (1)

Country Link
DE (1) DE1831074U (en)

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