Hitachi to Show 4K Broadcast Camera at NAB

Published: April 7, 2015

Hitachi Kokusai plans to demonstrate for the first time at NAB the SK-UHD4000, a broadcast 4K Ultra-HDTV camera system that uses standard 2/3-inch B4 mount HDTV lenses.

Hitachi’s use of standard HDTV lenses in the SK-UHD4000 “eliminates the need for optically degenerative lens mount adapters,” according to the company’s announcement.

Doing this “allows broadcasters and production companies to effectively use their existing camera lenses to shoot video in 4K resolution, while capitalizing on well-established TV production workflows associated with normal HDTV (2K) cameras,” the announcement says.

Here’s more from Hitachi’s announcement on the SK-UHD4000:

The camera is already in use around the globe. Gearhouse Broadcast deployed the camera in the UK at the ATP World Tour Finals and in Australian to create the first native 4K OB super truck, the HD8.
The Hitachi SK-UHD4000 uses a patented 4-port RGB prism combined with four sensors, two being green, to deliver the 4K performance of a 35-mm single Color Filter Array sensor in a standard portable camera chassis. This makes it possible to use standard 2/3″ broadcast lenses, and for the camera to work seamlessly with both 4K or 2K live field and studio TV production infrastructures.

This unique design also avoids the artifacts of the de-bayering process of color separation from the single Color Filter Array sensors used in most current 4K cameras. By preserving the clear advantage of optically capturing images in its Red, Green, Blue color components; the SK-UHD4000 generates color resolution superior to single-sensor 4K cameras.

Other features include independent 2K CUTOUT from the 4K raster, the ability to switch the 4K transport stream from SQUARED vision to 2-sample interleave, Level-A/B switchable 3G HD-SDI, and simultaneous multi-format (2K and 4K) outputs.

The SK-UHD4000 is equipped with new low-noise 2/3-inch MOS sensors. These sensors acquire video images with no smear, high sensitivity, high resolution and increases in power efficiency. New functional developments in lens’ aberration corrections allow the SK-UHD4000 to make the best possible image by correcting optical flaws found even in the most expensive HDTV lenses.

The camera system comes equipped with the full array of advanced production functions and tools that have become synonymous with HITACHI HDTV broadcast cameras.

Click here for more information on the Hitachi Kokusai SK-UHD4000 camera.

Posted in: News

Tagged with: 4K, Broadcast, Hitachi, NAB, UHD, Ultra HD

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