Use this DSLR Lens Follow Focus Adapter to tie around your DSLR lens and control focus with PFY follow focus system. The adjustable, zip tie-style adapter ring is made of silicone and plastic and ties around most DSLR lenses. The teeth lock into the follow focus motor's gear for smooth adjustments.

PFY - Focus Marker Ring for Follow Focus System

This baseplate attaches to the base of your camera and provides a 15mm rod attachment so that you can attach the  PFY Focus Motor to your setup with a small 15mm rod.