DE579854C - Device for the production of multicolor images - Google Patents

Device for the production of multicolor images

Info

Publication number
DE579854C
DE579854C DER81651D DER0081651D DE579854C DE 579854 C DE579854 C DE 579854C DE R81651 D DER81651 D DE R81651D DE R0081651 D DER0081651 D DE R0081651D DE 579854 C DE579854 C DE 579854C
Authority
DE
Germany
Prior art keywords
production
prisms
multicolor images
multicolor
partial images
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
DER81651D
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.)
EDGAR S ZIESEMER
Original Assignee
EDGAR S ZIESEMER
Publication date
Priority to DER81651D priority Critical patent/DE579854C/en
Application granted granted Critical
Publication of DE579854C publication Critical patent/DE579854C/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/28Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
    • G02B27/283Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising used for beam splitting or combining

Description

Vorrichtung zur Herstellung von Mehrfarbenbildern Es ist bekannt, bei photographischen Aufnahmen das durch das Objektiv fallende Licht durch die Blende des Objektivs in seiner Helligkeit zu ändern.Apparatus for producing multicolor images It is known in photographic recordings, the light falling through the lens through the aperture of the lens to change its brightness.

Dieses Verfahren hat den Nachteil> daß durch die Abblendung eine Änderung der Tiefenschärfe des Bildes eintritt. Bei Farbenaufnahmen, bei denen das Bild in mehrere Teilbilder zerlegt wird, ist @es infolge der nicht gleichmäßigen Empfindlichkeit der photographischen Emulsion für alle Farben des Spektrums erforderlich, die einzelnen Teilbilder aufeinander abzustimmen.. Geschieht dies nun durch Abblenden des Objektivs bzw. der Objektive, so werden die ,einzelnen Teilbilder, da sie in der Regel verschieden stark abgeblendet werden müssen, -eine unterschiedliche Tiefenschärfe erhalten. Dieser Mangel macht sich beim späteren übereinanderbringen der einzelnen Teilbilder durch das Auftreten von Farbsäumen störend bemerkbar.This method has the disadvantage> that the dimming causes a change the depth of field of the image occurs. When shooting in color where the image is in If several partial images are broken down, @es is due to the non-uniform sensitivity the photographic emulsion required for all the colors of the spectrum, the individual Coordinate partial images with one another .. This is now done by stopping down the lens or the lenses, then the, individual partial images, since they are usually different have to be stopped down strongly, -a different depth of field is obtained. This deficiency manifests itself when the individual partial images are later superimposed annoyingly noticeable due to the appearance of color fringes.

Gemäß der Erfindung wird der dargelegte Übelstand bei der Herstellung von Mehrfarbenbildern dadurch beseitigt, daß man zur Regelung der Helligkeit der durch das Objektiv bzw. die Objektive fallenden Lichtbündel Polarisationsprismen, z. B. zwei an sich bekannte Nikolsche Prismen, in dem Strahlengang anordnet. Wenn man diese vor oder hinter dem oder den Objektiven angeordneten Nikolschen Prismen in bekannter Weise zueinander verdreht, kann die durch die Prismen fallende Lichtmenge in weiten Grenzen verändert werden, ohne daß. die Tiefenschärfe sich verändert und ohne daß sich Fokusdifferenzen ergeben.According to the invention, the stated drawback in manufacturing of multicolor images eliminated by controlling the brightness of the light bundles falling through the lens or lenses polarizing prisms, z. B. two well-known Nikolsche prisms, arranged in the beam path. if they are arranged in front of or behind the lens or lenses Twisted relative to one another in a known manner, the amount of light falling through the prisms can can be changed within wide limits without. the depth of field changes and without resulting in focus differences.

Ixi der Abbildung ist ein Ausführungsbeispiel einer Aufnahmeoptik für die Zwecke der Mehrfarbenkinematographie in der Aufsicht dargestellt. Bei S wird das einfallende Lichtbündel in zwei Teile zerlegt, die durch die Objektive 0 und 01 zu den Filmstreifen F und F1 gelangen. Die Regelung der zu den beiden Filmstreifen gelangenden Lichtmengen wird .gemäß der Erfindung bewirkt mit Hilfe der im AbbildungsstraMengang angeordneten Nikolschen Prismen N und N1.Ixi of the figure is an embodiment of a recording optics shown in plan view for the purposes of multicolor cinematography. By S the incident light beam is split into two parts that are passed through the lenses 0 and 01 get to the film strips F and F1. The scheme of the two film strips The amount of light arriving is effected according to the invention with the aid of the in the imaging pathway arranged Nikolschen prisms N and N1.

In ähnlicher Weise kann die Erfindung angewandt werden bei solchen optischen Kopiermaschinen für Mehrfarbenfilme, bei denen die beiden zusammengehörigen Teilbilder mit Hilfe von zwei Objektiven auf die beiden Seiten eines doppelseitig beschichteten Positivfilms geworfen werden. Auch hier wird die Regelung der Lichtmengen für die beiden Teilbilder mit Hilfe von Polarisationsprismen, z. B. Nikolschen Prismen, bewirkt, ohne daß die erwähnten Farbsäume auftreten.Similarly, the invention can be applied to such optical copying machines for multicolor films in which the two belong together Partial images with the help of two lenses on the two sides of a double-sided coated positive film. Here, too, is the regulation of the amount of light for the two partial images with the help of polarizing prisms, e.g. B. Nikolschen prisms, causes without the mentioned color fringes occurring.

Claims (1)

PATENTANSPRUCH: Vorrichtung zur Herstellung von Mehrfarbenbildern, dadurch gekennzeichnet, daß zum Ausgleich der verschiedenen Belichtungszeiten der einzelnen Farbteilbilder im Abbildungsstrahlengang Polarisationsprismen, z. B. Nikolsche Prismen, angeordnet sind. Claim: Device for the production of multicolor images, characterized in that polarizing prisms, eg. B. Nikolsche prisms are arranged.
DER81651D Device for the production of multicolor images Expired DE579854C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DER81651D DE579854C (en) Device for the production of multicolor images

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DER81651D DE579854C (en) Device for the production of multicolor images

Publications (1)

Publication Number Publication Date
DE579854C true DE579854C (en) 1933-07-01

Family

ID=7416550

Family Applications (1)

Application Number Title Priority Date Filing Date
DER81651D Expired DE579854C (en) Device for the production of multicolor images

Country Status (1)

Country Link
DE (1) DE579854C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE757962C (en) * 1940-01-09 1952-04-07 Friedrich Deckel Praez S Mecha Photographic shutter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE757962C (en) * 1940-01-09 1952-04-07 Friedrich Deckel Praez S Mecha Photographic shutter

Similar Documents

Publication Publication Date Title
DE579854C (en) Device for the production of multicolor images
US1745107A (en) Cinematographic apparatus
DE559597C (en) Process for producing composite images on cinematographic film
DE646918C (en) Process for showing images in black and white on lenticular film
DE673609C (en) Procedure for measuring the brightness of the screen during the showing of cinema films
DE728787C (en) Method and device for the transmission of a light line for sound film purposes
DE563520C (en) Method for recording and reproducing series images
DE371201C (en) Process for the production of colored light for the presentation of moving pictures with natural colors
DE673344C (en) Light attenuation device for photographic use
AT146579B (en) Process for the production of a color photographic copy of three partial color images of a smooth film on lenticular films.
DE915300C (en) Method for fading cinematographic image sequences, in particular color films
DE561690C (en) Method of recording films for remote cinematography
DE525360C (en) Apparatus for three-dimensional cinematograph images
AT153125B (en) Device for time recording when recording cathode ray oscillograms with time resolution outside the cathode ray tube.
DE392215C (en) Recording cinema with optical compensation through movable lenses
DE759410C (en) Improved admission procedure
DE658577C (en) Process for the production of individual photographic images or partial cinematographic images to be reproduced plastically and in natural colors
DE739230C (en) Method for creating an additional color effect in three-color photographs
AT150709B (en) Method and device for recording and displaying raster cinematographic images.
DE491207C (en) Process for eliminating all diffraction errors in the reproduction of films with a lenticular screen by projection onto a second film with a lenticular screen to be reproduced in multiple colors
DE350722C (en) Procedure for recording the spatial and temporal course of movements
DE478972C (en) Method and apparatus for the production of single-color partial images for three-color images
AT142995B (en) Recording and reproduction process for additive three-color cinematography.
DE677247C (en) Lenticular plate of high optical quality for the purpose of lenticular cinematography
DE350187C (en) Method and device for generating physically-looking cinematographic images