As we mentioned in our December 22, 2015 post, a reliable source confirmed for us the Nikon D5 having 4K video.
The D5 has a suggested retail price of $6,499.95. It’s supposed to have amazing low light abilities (max ISO of 3,280,000) and great autofocus.
Video resolution is at 3840×2160 at 30P, 25P, or 24P. DX crop for video. External video is 4:2:2 8 bit. Video recording time in 4K is limited to 3 minutes!