The Nikon D850 looks to be an excellent upgrade over its predecessor, the D810. The resolution has jumped from 36.3MP to 45.7MP, the burst rate has jumped from 5 to 7 fps (9 fps with the right accessories), and the entire AF system has been yanked directly from the flagship D5. Not to mention the D850’s full sensor width 4K video, a first for a Nikon DSLR.
That's just a little bit of what the D850 has up its sleeve.
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