After a couple of weeks of teasers, Nikon has finally entered the full-frame mirrorless market with the Nikon Z6 and Z7 cameras. This is a huge step for Nikon - it announced its first new mount since 1958, the Nikon Z mount, and a new line of lenses. The Z mount is the largest full-frame mirrorless mount on the market with a diameter of 55mm. It has a 17% larger diameter than the Nikon F DSLR mount and a 65% smaller flange distance. Nikon's first full-frame mirrorless cameras are the Nikon Z7 and Nikon Z6 and they are largely based on the Nikon D850 and Nikon D750 DSLRs. The Nikon...
Source: https://www.gsmarena.com/nikon_enters_fullframe_mirrorless_market_with_z7_and_z6-news-32904.php