Use this simple and cost effective rig for getting much smoother and finer control over your focus. The silicone rubber is notched so that you can customize the diameter for even very small C-Mount lenses. The aluminum control handle can be attached in two different positions. Add it to your favorite lenses to control focus, aperture or zoom! If desired excess rubber is easily trimmed when used on small lenses.
- Universal and re-usable
- Fastens to almost any diameter lens ring
- Can be used for focus, zoom or aperture control