https://nikonrumors.com/2021/10/28/nikon-z9-detailed-specifications-leaked.aspx/Great heat management, 8K30p for 125 mins.
4K 120p no crop.
Internal NLog Prores 422 HQ. Future firmware updates will enable 12bit raw video and 8K60p.
Best AF in the history of Nikon. Can detect people, cats, dogs, birds, cars, motorcycles, trains, planes. Great in both stills and video. 3D tracking.
11MP @ 120 FPS continuous shooting.
EXPEED 7 enables no blackout and no judder EVF. Very smooth display. Quad-VGA so it is 3.69 million dots indeed, but with 3000 cd/m2 brightness (brightest EVF in the world)
The touch screen we see also can orient itself according to gravity.
Best durability in the history of Nikon. Fastest scan rate of any mirrorless camera in the world. No mechanical shutter, unlimited shutter life. The IBIS will lock if shock is present, even if the camera is off (I don’t understand IBIS part)
High efficiency RAW, can preserve image quality similar to RAW, but a 1/3 size.
ISO 64 base, up to 1/32000 shutter speed.
20% smaller than D6.