UMB-1 Universal Mattebox (Clamp On Set) includes all of the clamp on reduction rings for converting the Base or Swing Away version of the Universal Mattebox into a Clamp On version.
Included Clamp On Adapters:
- 80mm
- 87mm
- 95mm
- 104mm
- 110mm
- 114mm
- 125mm
- 134mm
- 136mm