Grass Valley LDK-8000 Multi-format HD Camera


Grass Valley LDK-8000 Multi-format HD Camera

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Grass Valley LDK-8000 Multi-format HD Camera

The LDK 8000 provides users with the best high definition camera for today’s demanding events along with a platform for tomorrow’s 1080/50p and 1080/60p image capture with a 14-bit A-to-D, an improved optical block with the next generation of the HD DPM+ frame transfer CCDs, HDMI output for monitoring and net workable camera control.

The camera head uses HD-DPM+™ CCD sensors which offer superior performance and ultimate flexibility. Native wide screen pictures in the high-definition formats 1080i, 1080p
(WorldCam) and 720p are produced at the touch of a button. This unique native multi-format capability is realized with innovative 9.2 million pixel 2/3″ CCD sensors. These allow vertically grouping of different numbers of pixels on the sensors themselves. There is no need for HDTV format conversion during digital signal processing which would lead to quality degradation. These sensors have a high dynamic range and high linear sensitivity across all camera lens apertures. They are based on Frame Transfer technology, which ensures that there is neither lag nor smear.

The advanced digital processing of the camera is based on 14-bit A/D converters and more than 22-bit internal processing. All major camera functions are processed in the digital
domain, including knee, gamma, contour, matrix and colour correction. The intelligent continuous automatics facility provides automatic control of black levels and
black shading. Each sensor provides black reference signals that are used to monitor temperature changes. This means that continuous automatic correction is applied without
operator intervention. The digital contour processing uses full amplitude video RGB signals via an extended dynamic range contour circuit. Colorimetry is selected by means of a variable 6-point digital matrix or via preset matrices. Digital gamma circuits provide a wide range of standardised gamma curves and enable soft contrast in black scenes to be enhanced, together with hard contrast  and saturated colour in bright scenes. The matrix and gamma sequence is software programmable for precise colour matching.

The LDK 8000 camera head is available in two versions – Standard and Worldcam. The Standard version supports 1080i/720p HD formats in 50, and 59.94 Hz, and simultaneously provides high-quality SDTV outputs in either 50 Hz or 59.94 Hz. The Worldcam version provides, in addition to the Standard version formats, digital cinematography formats in 1080p and 720p, which give an impression of motion comparable to film cameras running at identical speeds. The Worldcam also provides convenient built-in frame-rate conversions for easy connection to existing HD peripherals, offering possibilities for cost-effective monitoring and recording combined with the motion portrayal of film cameras. The 1080p format at 23.98 Hz, for example, can be converted using 3:2 pull-down to 1080i at 59.94 Hz right inside the camera.

Key features of LDK-8000

  • Supports instant switching between 1080i and 720p formats at 50 and 59.94 Hz for a wide variety of applications
  • Supports all 1080p standard formats, including 1080p50 and 1080p60 (WorldCam version only)
  • Secondary color corrector
  • User-selectable noise reducer
  • Unmatched video sampling technology:
    — 3x 9.2-million pixel HD-DPM+ CCDs
    — 14-bit A/D sampling
    — 34-bit digital signal processing resolution
  • Smart cards store image, operational settings for easy recall
  • Dynamic Air Control for optimized cooling and silent operation
  • Dynamic anti-aliasing-on-sensor processing reduces aliasing artefacts
  • Unique viewfinder focus-assist tools:
    — Crawler, for creating an active edge around all objects in focus
    — Instant push-button electronic zoom for momentarily enlarging a subject to check focusing on small details
  • Flexible HD transmission system
    — Supports standard triax up to 1,200m (3,900 ft.) and 2,400m (7,800 ft.) with repeater
    — Supports hybrid fibre SMPTE 311 up to 4,000m (13,200 ft.)
  • Small, robust base station with superior HD, SD output
  • Lightest weight camera body in its class
  • SuperXpander kit support enables configuration with full-size studio or OB lenses, and accessories
  • A unique dockable concept with a choice of transmission adapters:
    — HD Triax, HD Fiber, HD Wireless