The lens series and camera mount are not the same. The FTZ is your animal (again, expect to have to manually focus). Your lens is an inexpensive Nifty 50 from the late 70s/ early 80s. It's also a very good lens, per the following two:Is there an E to F adapter?
* https://www.kenrockwell.com/nikon/50f18E.htm
and
* https://casualphotophile.com/2019/10/29/nikon-series-e-50mm-lens-review/#google_vignette
