The Nikon D4, which is slated for February availability at a $6,000 suggested retail, will offer a full-frame 16.2-megapixel full-format CMOS image sensor that will shoot full-resolution images at up to a 10 fps rate.
$6000 16.2mp 10fps
The camera is also one of the first to support the new XQD Compact Flash memory card format, and will also offer a second card for more conventional CF cards.
XQD+CF 雙卡槽
The Nikon D4 has improved low-light performance, with an ISO range from 100 to 102,400 which can be expanded to 50 to 204,800 for both movies and stills.
原生 100~102400 可擴展到50~204800 , 話說拓展不是應該兩格?
The D4 also improves on the D3's color matrix metering system with a third-generation 91,000-pixel RGB metering sensor.
RGB sensor增加到91000點
The unit takes the AF mode select switch from the D7000 and uses improved 51-point AF points with 9 cross-type sensor and a beefed up AF module allowing focus with an f/8 lens and faster (up from f/5.6). The AF detection range is now down to EV-2.0
AF模式開關同D7000 改進過後的51點對焦 (9點十字 , f/8還可af)
The viewfinder features a full pentaprism with a 100 percent field of view.
視野率 100%
The video section will record pixel-for-pixel Full-HD 1080p resolution with selections for 30p and 24p frame rates in this iteration, and 720p at up to 60p for slow-motion work. The camera now includes support for the H.264 B frame compression scheme.
可輸出FullHD 1080p 30p/24p 720p 60p
The camera uses contrast detect AF in movie recording and features a low-pass filter optimized to maximize sharpness of HD video, meaning greater noise reduction when shooting full-frame movies.
錄影模式下可用對比對焦, 而且有對HD錄影最佳化的低通濾鏡將銳利度最大化
Function buttons are illuminated this year, and a dedicated video button (user re-assignable) is added near the shutter button.
The D4 supports WTSA wireless control using the optional Nikon WT-5 wireless transmitter, and features an integrated Ethernet port and HDMI output enabling output of uncompressed video.
可使用WT-5無線傳輸器 ethernet傳輸 hdmi可輸出無壓縮的影片
The D4 also introduces face detection/recognition into the flagship series
Another new feature is smooth aperture control for use while shooting video.
At the same time, the company introduced the Nikkor AF-S 85mm f/1.8G FX format lens ($500 suggested retail).
The company said the D4 is not being produced in Thailand will not have production issues from the recent flooding situation there. But whether the company will have enough supply to meet the expected demand from Nikon-aligned professional photographers and converts remains to be seen.
2012 International Press Telecommunications Council