by using F->M42, M42-M42 helicoid(15~26mm), M42->E, and E->Z adapters
This setting allows infinity focus for 'F-mount ML 50mmF/1.4' lens luckily.
All the other Nikkors can be used with this, but a little over-INF of course.
hood is Nikon's HS-7
F->M42 tube/ring > https://pbase.com/image/124972053
Also see this > https://pbase.com/kkawakami/image/170632128
(shot by Nikon D800E + F-mount Zuiko AUTO-T 100mmF/2 @f11)