WO2005083506A1 - Vorrichtung zum verbinden eines kameraobjektivs mit einer laufbildkamera - Google Patents
Vorrichtung zum verbinden eines kameraobjektivs mit einer laufbildkamera Download PDFInfo
- Publication number
- WO2005083506A1 WO2005083506A1 PCT/DE2005/000306 DE2005000306W WO2005083506A1 WO 2005083506 A1 WO2005083506 A1 WO 2005083506A1 DE 2005000306 W DE2005000306 W DE 2005000306W WO 2005083506 A1 WO2005083506 A1 WO 2005083506A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- lens
- camera
- camera lens
- data
- motion picture
- Prior art date
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
-
- 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
- G03B17/18—Signals indicating condition of a camera member or suitability of light
Definitions
- the invention relates to a device for connecting a camera lens to a motion picture camera according to the preamble of claim 1.
- a control system for a camera lens is known from EP 0 942 305 A1, which is attached to a lens holder of a motion picture camera by means of its lens attachment.
- the control system contains several drive units for the automatic setting of target positions of three lens rings, via which the image sharpness (focus), the aperture of the iris diaphragm and the focal length (zoom) of the camera lens can be adjusted.
- the lens rings are provided with a device for determining the actual state of the lens ring positions, which determines the actual position of the lens rings relative to the camera lens, converts them into measurement output signals and, in particular, without contact as an optoelectronic angle sensor with a coding disk connected to the respective lens ring in a rotationally fixed manner with several coding tracks and embodied on both sides of the coding disk and embodied as a magnetoresistive magnetic sensor and integrated into the camera lens. It is known from the "ARRIFLEX 435 ADVANCED" company publication by Arnold & Richter Cinetechnik to transmit the determined actual states of the lens ring positions to the motion picture camera via a standardized electrical interface with a standardized lens attachment and a standardized lens mount (PL-mount).
- PL-mount standardized lens mount
- EP 0 574 105 describes the processing of the detected actual state of the lens ring positions and thus the values for the focus, the iris setting and the zoom set on the camera lens, as well as for entering setpoints and issuing control commands to the drive units that can be coupled to the lens rings
- A1 a modular control system for a motion picture camera is known, in which a control and regulating part with a position transmitter is integrated in each drive unit and is connected via a digital data input and data output as well as a serial control and data bus to a manual control unit, which has a memory module for recording setting values for predefinable camera and lens functions such as recording frequency, focal length, distance, aperture, range limits and scaling as well as adjustment curves for the frequency, zoom, focus and / or iris settings, into which setting values or adjustment curves are read and for a playback sequence or r Restoration of reserved settings can be read out.
- a control and data acquisition unit on the camera side which control the camera and / or recording functions with several and detecting devices are electrically connected, are connected via a bidirectional radio transceiver unit to operator-side control units for inputting control data and transmission of control signals for controlling the camera and / or recording functions and thus also for setting a camera lens.
- control system known from EP 0 942 305 A1 for a camera lens of a motion picture camera is a camera lens with integrated data memory and position sensors for detecting the actual states of the zoom, focus and iris settings of the camera lens and a corresponding evaluation of the actual states and a standardized electrical interface with a standardized lens attachment and a standardized lens mount (PL mount) of the motion picture camera camera lenses without these position sensors and data memories integrated into the camera lens cannot be used in full for the control system, so that their use remains limited to control systems as are known from EP 0 574 105 A1 and EP 0 910 814 B1, in which the actual values of the lens settings are recorded via the drive units that can be swiveled onto the lens rings of the camera lens and contain position sensors and are processed in the control and regulating units together with the specified target values.
- the object of the present invention is to provide a device for connecting a camera lens to a motion picture camera of the type mentioned at the outset, with which camera lenses without integrated data memory, integrated position sensors and standardized electrical interface can also be used in a control system for automatically setting setting values of a camera lens.
- the solution according to the invention also makes it possible to use camera lenses without integrated data storage, integrated position sensors and standardized electrical interface in a control system for automatically setting setting values of a camera lens in connection with a motion picture camera.
- the solution according to the invention is based on the consideration of being able to use camera lenses without integrated position sensors, data storage with stored, optics-related data of the camera lens and standardized electrical interface in a control system for a camera lens connected to a motion picture camera, which contains the optics-related data of the camera lens such as lens type, serial numbers, Conversion tables and the like are read out and processed from the data memory via a standardized electrical interface that is subsequently installed in the lens attachment or additionally attached to the lens attachment, and thus enables control of the depth of field individually tailored to the respective camera lens.
- these optics-related data could also be obtained from a data record provided, for example, as a bar code on a lens cover and processed in the control system, but such a solution would require the use of additional reading devices that would have to be connected to the control system for the camera lens.
- a cumbersome Handling there is also the risk that the lens cap containing the data record could be lost or accidentally exchanged with the lens cap of another camera lens.
- the data memory for storing the data of the camera lens is preferably part of miniaturized electronics with a data memory and a contact area arranged at the data interface, which is aligned with the contact area arranged in the lens mount of the motion picture camera.
- the integration of the data memory in miniaturized electronics enables the device for storing data of the camera lens to be easily integrated into a correspondingly modified lens mount, so that it can be attached to a standardized lens mount of a motion picture camera designed as a PL mount.
- the data memory or the miniaturized electronics can be integrated into a modified lens attachment to be connected to or replace the lens attachment of the camera lens.
- the device for storing data of the camera lens in question is preferably arranged in the intermediate flange.
- the miniaturized electronics with data memory and standardized electrical interface can be designed as a circuit film which is attached to the lens attachment of the camera lens in such a way that the contact area of the miniaturized contacts arranged on the standardized electrical interface Electronics is aligned with the contact area arranged in the lens mount of the motion picture camera.
- the miniaturized electronics can contain its own power supply device or device for voltage buffering.
- position sensors can be connected to the lens rings of the camera lens for detecting setting values of the camera lens for zoom, focus and / or iris and delivery of position signals to the control system for camera lenses can be provided.
- adjusting devices which can be connected to the lens rings of the camera lens for motorized adjustment of the zoom, focus or iris settings of the camera lens as a function of setpoints which are output by the control system for camera lenses.
- the position sensors and / or adjusting devices preferably consist of drive units which can be pivoted to the lens rings of the camera lens.
- Figure 1 is a schematic perspective view of the front housing part of a motion picture camera with a standardized lens holder.
- FIG. 2 shows a top view of the standardized lens mount according to FIG. 1;
- 3 shows a schematic perspective illustration of a camera lens with a standardized or subsequently modified lens attachment
- 4 shows an exploded view of the integration of miniaturized electronics in a non-standard lens mount of a camera lens and its connection to the camera lens;
- FIG. 5 shows a schematic illustration of a control system for camera lenses with standardized or modified lens attachment and a plurality of position detection and drive units and manual control units.
- the lens mount 2 is designed to hold standardized lens mountings, so-called PL mounts, and, in the absence of a camera lens, is connected to a cover cap which closes the opening into the interior of the motion picture camera 1.
- the lens attachment of a camera lens is connected to the lens mount 2 via a bayonet lock with a bayonet ring 20, which is actuated by means of a lever 25. If the lever 25 is pivoted counterclockwise, the bayonet lock for connecting the lens holder 2 with a cover cap or with a camera lens is opened so that the cover cap or the camera lens can be removed from the motion picture camera 1.
- the lens mount of the camera lens is inserted into the opening of the lens mount 2, with four grooves and webs 21 to 24 of the bayonet ring 20 arranged in a distributed manner enabling the camera lens to be secured via bayonet connections arranged in a distributed manner.
- the hand lever 25 is pivoted clockwise, so that the bayonet ring 20 moves accordingly clockwise and the connection between the camera lens and motion picture camera 1 is secured.
- the camera housing 10 shows the four grooves and webs 21 to 24 of the bayonet ring 20 of the lens mount 2, which are offset by 90 ° to each other, as well as those shifted from the open position to the closed position or the closed position to the open position. pivoted lever 25 of the lens ring 20 for attaching or detaching the lens attachment of a camera lens.
- a contact area 5 with four contacts in this exemplary embodiment is provided as a standardized electrical interface to a standardized lens attachment of a camera lens with integrated data memory and position sensors, which contacts are made with corresponding mating contacts on the standardized lens attachment.
- the contacts of the contact area 5 are connected to an internal control and regulating device or to an interface arranged on the camera housing 10 for connecting the motion picture camera 1 to an external control system for camera lenses.
- FIG. 3 shows a schematic perspective view of a camera lens 3 with a plurality of lens rings 31, 32 for zoom, iris and / or focus adjustment and a standardized or subsequently modified lens attachment 4, which is attached to a standardized lens mount of a motion picture camera according to FIG. 1 and 2 is to be connected and has a standardized electrical interface with a contact area 6 with four contacts which contact the four contacts of the contact area 5 of the lens holder 2 according to FIG Establish the state of the lens ring positions of a standardized camera lens or the miniaturized electronics with integrated data memory of a lens attachment subsequently modified according to the invention with the control system for camera lenses.
- the existing, non-standard lens attachment can be detached from the camera lens 3 by loosening the screw connections 45 and replaced by a modified lens attachment with miniaturized electronics with integrated data memory and standardized electrical interface.
- FIG. 4 of a camera lens 3 not equipped with a standardized PL mount shows its connection to a modified PL mount 4 ', in which miniaturized electronics 7 with integrated data storage and a standardized electrical interface with a four contacts having contact area 6 'is used.
- the data memory of the miniaturized electronics 7 contains optics-related data of the camera lens 3, such as Lens type, serial number, conversion tables and the like, which can be read out via the contacts of the standardized electrical interface by the control system for camera lenses integrated or external in the motion picture camera.
- the miniaturized electronics 7 can contain a processor which communicates via the data interface to the motion picture camera with a corresponding processor of the control system for camera lenses and processes data read in or read out and stores them in the data memory of the miniaturized electronics 7 and reads them out of their data memory.
- the modified PL mount 4 'with miniaturized electronics 7 with integrated data storage and a contact area 6' for a standardized electrical interface can be provided in a simple manner for any camera lenses and contains a bayonet ring 40 with bayonet bars 41 to 43 for connection to the lens mount of a motion picture camera ,
- the modified PL mount 4 ' is fastened to a camera lens 3 via screw connections 45 or is attached to a non-standard lens attachment and connected to it.
- the miniaturized electronics 7 optionally contain an integrated read-only memory (ROM) storing the optics-related data of the respective camera lens or a data memory programmable via a corresponding programming device with the optics-related data of the respective camera lens, so that only a modified PL mount 4 'for different camera lenses. , which is connected to the respective lens attachment of a camera lens 7, must be kept available.
- ROM read-only memory
- the modified PL mount 4 'can also consist of an intermediate flange if the camera lens 3 to be connected to the lens holder of the motion picture camera has a lens attachment which is not flanged directly to the lens holder but via the intermediate flange.
- the intermediate flange fulfills the double function of a mechanical and electronic connecting link.
- a camera lens provided with a mechanically standardized lens attachment can additionally be equipped with a device for storing data of the camera lens, which consists of miniaturized electronics designed as a circuit film with data memory and standardized electrical interface, which is attached to the lens attachment of the camera lens. is brought, wherein the contacts of the miniaturized electronics arranged at the data interface are aligned with the contacts arranged in the lens holder of the motion picture camera.
- FIG. 5 schematically shows a control system for a camera lens 3, which is connected to a motion picture camera 1 via a lens mount 2 and contains three lens rings 31, 32, 33 for zoom, focus and iris adjustment.
- the control system consists of a manual control unit 91 for zoom, focus and / or iris adjustment, a drive unit 81 for focus adjustment, a drive unit 82 for zoom adjustment, a drive unit 83 for iris adjustment and a camera-side lens control unit 9 together, which is integrated in the motion picture camera 1 or is connected as an external device to a camera-side interface.
- the hand control unit 91 and the drive units 81, 82, 83 are connected to one another via a serial control and data bus 93.
- the drive units 81, 82, 83 each transmit a torque to the toothed wheels of the corresponding lens rings 31, 32, 33 of the camera lens 3 in accordance with the target values recorded or set on the manual control unit 91 and transmitted via the serial control and data bus 93 for zooming, Focus and iris setting.
- the hand control unit 91 can consist of a main unit, for example a zoom main unit, to which focus / iris modules can be connected via an expansion plug or connected via cable, and is in particular a handwheel unit with a handwheel for the zoom, Focus and iris adjustment trained.
- the handwheel is designed similarly to a mechanical focus puller with removable dials and movable, mechanically adjustable end stops.
- Both the zoom main unit and the focus-t ⁇ ris modules preferably have electronic displays for displaying the setpoints for the drive units 81, 82, 83.
- an operating element 92 can be used to adjust the zoom, focus and iris of the camera lens 3 as well as for adjustment of camera functions via a radio transmission and reception device can be connected wirelessly to the camera-side lens control unit 9, which also has a radio transmission and reception device.
- the camera lens 3 has a modified PL mount 4 'with miniaturized electronics with a data memory storing the optics-related data of the camera lens and is connected via the modified PL mount 4' to the lens mount 2 of the camera 1 in operation.
- the lens controller 9 reads the optics-related data of the camera lens 3 from the data memory of the miniaturized electronics of the modified PL mount 4 'and additionally receives the position sensors or drive units 81, 82, 83 Actuated to the lens rings 31, 32, 33 of the camera lens 3 -Status signals of focus, zoom and iris settings.
- the lens control unit 9 outputs control signals in the case of drive units 81, 82, 83 pivoted to the lens length 91, 92, 93 Focus, zoom and iris setting depending on the optics-related data of the camera lens 3 read out from the data memory of the modified PL mount 4 '.
- the lens control unit 9 takes into account the object-related data read from the data memory of the modified PL mount 4 'and thus the lens-specific parameters, the depth of focus of the camera lens 3 can be determined precisely, for example, so that focus adjustments are made within predetermined limits and the usable ones Depth of field can be determined and optionally displayed optically.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Structure And Mechanism Of Cameras (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT05715012T ATE537481T1 (de) | 2004-02-25 | 2005-02-17 | Vorrichtung zum verbinden eines kameraobjektivs mit einer laufbildkamera |
US10/590,639 US8068168B2 (en) | 2004-02-25 | 2005-02-17 | Device for connecting a camera lens to a movie camera |
EP05715012A EP1721214B1 (de) | 2004-02-25 | 2005-02-17 | Vorrichtung zum verbinden eines kameraobjektivs mit einer laufbildkamera |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004009856A DE102004009856A1 (de) | 2004-02-25 | 2004-02-25 | Vorrichtung zum Verbinden eines Kameraobjektivs mit einer Laufbildkamera |
DE102004009856.5 | 2004-02-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005083506A1 true WO2005083506A1 (de) | 2005-09-09 |
Family
ID=34877195
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2005/000306 WO2005083506A1 (de) | 2004-02-25 | 2005-02-17 | Vorrichtung zum verbinden eines kameraobjektivs mit einer laufbildkamera |
Country Status (5)
Country | Link |
---|---|
US (1) | US8068168B2 (de) |
EP (1) | EP1721214B1 (de) |
AT (1) | ATE537481T1 (de) |
DE (1) | DE102004009856A1 (de) |
WO (1) | WO2005083506A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1903785A1 (de) * | 2006-09-21 | 2008-03-26 | Canon Kabushiki Kaisha | Steuerung einer Blende für eine Bildaufnahmevorrichtung, Linsenvorrichtung und Bildaufnahmesystem |
EP2395392A1 (de) * | 2010-06-10 | 2011-12-14 | Arnold&Richter Cine Technik GmbH&Co. Betriebs KG | Kameraobjektiv und Kamerasystem mit einer Maske zur Ermittlung von Tiefeninformation |
Families Citing this family (20)
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DE102004015947A1 (de) * | 2004-03-25 | 2005-10-13 | Arnold & Richter Cine Technik Gmbh & Co Betriebs Kg | Verfahren und Vorrichtung zum Einstellen der Bildschärfe am Kameraobjektiv einer Laufbildkamera |
US8379999B2 (en) * | 2011-01-18 | 2013-02-19 | Chanan Gabay | Methods, circuits, devices, apparatuses and systems for providing image composition rules, analysis and improvement |
JP5896662B2 (ja) * | 2011-09-15 | 2016-03-30 | キヤノン株式会社 | 撮像装置及びアクセサリ |
JP5904742B2 (ja) * | 2011-10-05 | 2016-04-20 | キヤノン株式会社 | 撮像装置及びその制御方法 |
USD729862S1 (en) * | 2012-07-03 | 2015-05-19 | Fujifilm Corporation | Lens for camera |
US20150131983A1 (en) * | 2013-11-13 | 2015-05-14 | Aspect Media Factory LLC | Remote control adapter for cameras |
US9823552B2 (en) | 2013-12-20 | 2017-11-21 | Back Bone Gear Inc. | Lens and sensor attachment for a digital camera and related retrofit kit and retrofit method |
CN103702022B (zh) * | 2014-01-01 | 2017-03-15 | 中南林业科技大学 | 一种基于新型卡口和集成式镜头的影像获取方法 |
DE202014100544U1 (de) * | 2014-01-10 | 2014-06-02 | Michael Ali Kilic | Schützenkontroll- und Zielaufnahmekamerasystem |
US9917935B2 (en) | 2014-03-04 | 2018-03-13 | Houdinix Llc | Multi-layer handheld electronic device |
DE102014206657B4 (de) | 2014-04-07 | 2017-10-05 | Carl Zeiss Ag | Vorrichtung zum Einstellen eines Kameraobjektivs |
US9568808B2 (en) | 2014-08-07 | 2017-02-14 | Houdinix Llc | Low-profile lens mount |
USD881973S1 (en) | 2015-07-24 | 2020-04-21 | Canon Denshi Kabushiki Kaisha | Interchangeable lens for camera |
WO2017106102A1 (en) | 2015-12-14 | 2017-06-22 | Red.Com, Inc. | Modular digital camera and cellular phone |
USD836152S1 (en) * | 2016-08-31 | 2018-12-18 | Fujifilm Corporation | Lens for camera |
JP7062515B2 (ja) * | 2018-05-23 | 2022-05-06 | キヤノン株式会社 | マウント装置及び撮像装置 |
EP4137857A1 (de) * | 2018-08-10 | 2023-02-22 | Canon Kabushiki Kaisha | Zubehör und kamerasystem damit |
USD996674S1 (en) * | 2019-09-10 | 2023-08-22 | Arnold & Richter Cine Technik Gmbh & Co. Betriebs Kg | Headlight |
JP7172939B2 (ja) * | 2019-10-01 | 2022-11-16 | Tdk株式会社 | 磁気センサ装置 |
DE102020112458A1 (de) | 2020-05-07 | 2021-11-11 | Arnold & Richter Cine Technik Gmbh & Co. Betriebs Kg | Fernsteuereinrichtung für eine Bewegtbildkamera und Kennzeichnungsring für eine Fernsteuereinrichtung |
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JP4319444B2 (ja) * | 2002-07-23 | 2009-08-26 | 富士フイルム株式会社 | 撮像装置 |
JP4477313B2 (ja) * | 2003-04-08 | 2010-06-09 | オリンパス株式会社 | レンズ交換式カメラシステム |
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2004
- 2004-02-25 DE DE102004009856A patent/DE102004009856A1/de not_active Ceased
-
2005
- 2005-02-17 WO PCT/DE2005/000306 patent/WO2005083506A1/de active Application Filing
- 2005-02-17 AT AT05715012T patent/ATE537481T1/de active
- 2005-02-17 US US10/590,639 patent/US8068168B2/en active Active
- 2005-02-17 EP EP05715012A patent/EP1721214B1/de active Active
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US4104649A (en) | 1975-11-06 | 1978-08-01 | Canon Kabushiki Kaisha | Adaptor for providing a digital signal indicating the full open F number of an interchangeable photo-taking lens in a single lens reflex camera system |
US4536071A (en) | 1983-09-02 | 1985-08-20 | Minolta Camera Kk | Mount arrangement and interchangeable lens unit for photographic camera |
US4682871A (en) | 1985-09-02 | 1987-07-28 | Minolta Camera Kabushiki Kaisha | Aperture value information switchable lens barrel |
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EP0574105A1 (de) | 1992-06-10 | 1993-12-15 | Arnold & Richter Cine Technik Gmbh & Co. Betriebs Kg | Modulares Steuersystem für eine Kamera |
EP0910814B1 (de) | 1996-07-12 | 2001-06-13 | Arnold & Richter Cine Technik Gmbh & Co. Betriebs Kg | Vorrichtung zur steuerung, regelung und überwachung einer laufbildkamera |
EP0942305A1 (de) | 1998-03-09 | 1999-09-15 | Fritz Bauer | Steuerungssystem für ein Objektiv einer Kamera |
DE19914208A1 (de) | 1998-03-30 | 1999-10-07 | Fuji Photo Optical Co Ltd | Schwingungsübertragungs-Isolator für TV-Kamera |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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EP1903785A1 (de) * | 2006-09-21 | 2008-03-26 | Canon Kabushiki Kaisha | Steuerung einer Blende für eine Bildaufnahmevorrichtung, Linsenvorrichtung und Bildaufnahmesystem |
US7586692B2 (en) | 2006-09-21 | 2009-09-08 | Canon Kabushiki Kaisha | Image-pickup apparatus, lens apparatus and image-pickup system |
EP2395392A1 (de) * | 2010-06-10 | 2011-12-14 | Arnold&Richter Cine Technik GmbH&Co. Betriebs KG | Kameraobjektiv und Kamerasystem mit einer Maske zur Ermittlung von Tiefeninformation |
US8670024B2 (en) | 2010-06-10 | 2014-03-11 | Arnold & Richter Cine Technik Gmbh & Co. Betriebs Kg | Camera objective and camera system |
US9007443B2 (en) | 2010-06-10 | 2015-04-14 | Arnold & Richter Cine Technik Gmbh & Co. Betriebs Kg | Camera objective and camera system |
Also Published As
Publication number | Publication date |
---|---|
US8068168B2 (en) | 2011-11-29 |
ATE537481T1 (de) | 2011-12-15 |
EP1721214A1 (de) | 2006-11-15 |
DE102004009856A1 (de) | 2005-09-22 |
EP1721214B1 (de) | 2011-12-14 |
US20090051806A1 (en) | 2009-02-26 |
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