Nikon D4 specifications

As we're approaching the release of Nikon's new flagship the D4, along with an updated Nikkor AF-S 85mm f/1.8G (suggested price is USD 500) the specifications appears to be out.

Nikon D4

The Nikon D4, which is slated for February availability at a USD 6000 suggested retail, will offer a 16.2 Mpx FX CMOS sensor that will shoot at up to a 10 fps rate. The viewfinder features a pentaprism with 100 % coverage and a magnification of approximately 0.7x.

The camera is also one of the first to support the new XQD Compact Flash memory card format. It will also offer a second card slot for more conventional CF cards.

The new camera has improved low-light performance, with a native ISO range from 100 to 12 800 which can be expanded to 50 to 204 800 (Hi4) for both video and still images. The previous high ISO king, the 12.1 Mpx D3s also offered a native ISO 12 800, but was only expandable up to ISO 102 400.

The D4 also improves on the D3's 3D colour matrix metering system with a third-generation 91 Kpx RGB metering sensor (up from 1005 on the D3-series).

For auto-focus, the D4 uses an improved version of the Multi-CAM 3500FX with 51 focus point where 15 is a cross-type sensor. The 9 central focus points will continue to work as cross type when used when a lens-converter combination has a maximum aperture of between f/5.6 and f/8. In Auto Area focus mode, the camera will use its 91 Kpx metering sensor to try to recognize human faces and lock focus on them. The center AF point will still operate as a cross-type point with a maximum aperture of f/8. The AF detection range is now down to EV -2.0. Like the D7000, it has a button positioned centrally in the Focus Mode switch to select the AF point in concert with the camera's control dials to select autofocus mode, active points, etc.

The video section will record pixel-for-pixel Full-HD 1080p resolution with selections for 30 and 24 frame rates in this iteration, and 720p at up to 60 frames for slow-motion work. The camera now includes support for the H.264 B frame compression scheme.

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.

A dedicated video button (user re-assignable) is added near the shutter button. The function buttons are illuminated for increased visibility when working in dimly lit or dark situations. For video, there is smooth aperture control.

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.

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