Well the press release was leaked yesterday and looks like it will be official tomorrow, with availability as early as 10th September in places - That would be great for me as I wanted it for some trips in October.
https://nikonrumors.com/2017/08/22/nikon-d850-press-release-leaked.aspx/
also if the Angry Photographer is correct it has BSI and Microlens technology, which would mean that there may not be a drop in Dynamic Range from the D810 that people expected and could actually improve on the D810s dynamic range.
https://nikonrumors.com/2017/08/22/nikon-d850-press-release-leaked.aspx/
also if the Angry Photographer is correct it has BSI and Microlens technology, which would mean that there may not be a drop in Dynamic Range from the D810 that people expected and could actually improve on the D810s dynamic range.