Part No: K2.47222.0
R2 138mm Filter Ring ø 100mm
With rubber sleeve and connection ring.
Takes reduction rings size R5.

Part No: K2.52204.0
R2 138mm Filter Ring ø 114mm
The ARRI 138mm Filter Ring ø 114mm is compatible with Master Prime Lenses, UP 14mm, UP 180mm, LDS-UP 14mm and LDS-UP 180mm.

Part No: K2.47190.0
R2 138mm Filter Ring ø 114mm wide-angle
Internal focus lenses only - Compatible with Master Prime Lenses, LWZ Alura, UP 14mm, UP 180mm, LDS-UP 14mm and LDS-UP 180mm; also compatible with wide-angle video lenses.
Not compatible with external focus lenses.

Part No: K2.65028.0
Back Bellows Adapter 138mm
The ARRI MB-20 Back 138mm Bellow Adapter is for use with size R2 filter rings.
