The M39 thread and the rear part of the lens are made of 3D printed plastic. What's in the box: Lens on M39 thread.
Rodenstock 4/135 mm Rotelar for Exakta made in Germany
Rodenstock 4/135 mm Rotelar for Exakta Made in Germany
Rodenstock Vintage lens 5.6/270 mm Rotelar early version
Rodenstock Linhof 4x5 5.6/270 mm Rotelar
Rodenstock XR-Heligon 1.5/100 mm for movie camera
Rodenstock for ALPA Reflex 3.5/35 mm Lens Very Limited Production