CJ20ex7.8B便携式4K广播镜头, designed for broadcast cameras with 2/3" sensors, is aa 20x zoom range and provides the optical excellence needed for 4K broadcast production
佳能U.S.A.公司., a leader in digital imaging solutions, today announced the CJ20ex7.8B便携式4K广播镜头 for use with broadcast cameras featuring 2/3-inch sensors. This versatile lens features a 20x zoom range and provides the optical excellence needed for 4K broadcast production. 焦距为7.8-156mm, a broad range of scene compositions can be achieved from a single lens. A built-in 2x extender allows more telephoto operation without sacrificing 4K image quality. Editors can then select a 1920 x 1080 crop from within the 3840 x 2160 camera original with full HDTV image quality. 另外, the 4K UHD camera video can be down-sampled to HDTV offering enhanced resolution by virtue of that super-sampled original.
With its broad zoom range and wide angle performance, the CJ20ex7.8B can be a workhorse lens for Electronic Field Production (EFP) and Electronic 新闻 Gathering (ENG) broadcast applications covering news, 体育, live events and filmmakers creating documentary projects desiring 4K quality. 的CJ20ex7.8B is the fourth lens this year in Canon’s new UHDxs lineup of 4K UHD broadcast lenses, 加入广角CJ12ex4.3B in the portable lens group, and the long-zoom UJ86x9.3B和UJ90x9B场镜头.
“随着4K超高清技术的不断普及, Canon is developing more solutions to provide producers and broadcasters with outstanding optical performance,石冢雄一说, 总裁兼首席运营官, 佳能U.S.A.公司. “Complementing the wide-angle performance of the CJ12ex4.3B lens introduced earlier this year, the new CJ20ex7.8B lens provides a versatile option for magnificent imagery, whether in 4K UHD or HDTV."
The form factor and operational controls will be very familiar to anyone who has used Canon's award-winning HD lenses. The lens is also compatible with standard HD zoom and focus demand controls. 它很轻，只有四磅重, 13ounces and compact size make it ideal for shoulder-mounted ENG applications.
20针连接器, capable of reading out the high-precision position information of the zoom, focus and iris are provided as a standard feature. Coming standard with another two 20-pin connectors for zoom and focus control, virtual operations are possible in the full-servo mode, and use of a 16-bit absolute value encoder in the digital drive unit helps eliminate the need for any initialization, meaning users can simply turn on the camera and begin shooting.
的CJ20ex7.8B portable broadcast lens is scheduled to be available in June 2016. For full product specifications and more information on the UHDxs family of lenses, 请访问:pro.美国.佳能.com/broadcast.
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佳能U.S.A.公司., 是领先的消费者供应商吗, 企业对企业, and industrial digital imaging solutions to the United States and to Latin America and the Caribbean (excluding Mexico) markets. With approximately $31 billion in global revenue, its parent company, Canon Inc. (纽约证券交易所代码:CAJ)，在美国股市中排名第三.S. patents granted in 2014† and is one of Fortune 杂志's World's Most Admired Companies in 2015. 佳能U.S.A. is committed to the highest level of customer satisfaction and loyalty, providing 100 percent U.S.-based consumer service and support for all of the products it distributes. 佳能U.S.A. 是献给它的 Kyoseiphilosophy of social and environmental responsibility. In 2014, the Canon Americas Headquarters secured LEED® Gold certification, 对设计的认可, 建设, operations and maintenance of high-performance green buildings. To keep apprised of the latest news from 佳能U.S.A., sign up for the Company's RSS news feed by visiting www.美国.佳能.com/rss 并在Twitter上关注我们 @CanonUSA.