FVD-35A Mounting Option
Option 1: 95-75mm step down ring
Gives you 75mm female thread on the back of FVD-35A, where you can screw FMJ directly into the back of FVD-35A.
Option 2: Customized 95mm front adapter
The inner side has 75mm native thread, and it can be machined to customized fit the front of anamorphic lens. The adapter is locked down with the lens by tightening 6 set screws inside the adapter.