- For Marking Focus Distances / Iris Pulls
- Fits RT Smartknob / Smartknob RF
- Use with Non-Permanent Markers
The White Marking Disk for RT Smartknob from Teradek works with the RT Smartknob/Smartknob RF hand controller. Use this beveled disk for marking focus distances or iris stops. Marks from non-permanent and china markers are easily removed; use isopropyl alcohol to clean notes made with permanent markers.