Question: what is ftz mount adapter?
Answer: The Nikon FTZ is a lens mount adapter that lets us use any F-Mount Nikon SLR or DSLR lens with varying extents of usefulness on Nikon's full-frame mirrorless cameras. FTZ means F to Z, or Nikon F (SLR & DSLR) mount to Nikon's new mirrorless Z mount.