2459126 RASA adapter
2459145 15-20mm vari ring
2459142 15mm ring
2459110 filter base
2459112 2” (48mm mounted) filter slide
2459117 M54 adapter
All of the parts, including the camera with the angle adjustment ring is 70.5mm. The vari adapter that I also included will let you get exactly 72.8mm. There is usually a .5mm tolerance.
Also available for M48 and M42 camera systems. Please call for details.