Adapter ring Duo connector Multiadapter / Advanced quick release adapter

Adapter ring M52x0,75 – M33,5×0,75, suitable for ADVANCED quick-release adapters or DUO connectors M52x0,75

Reduction ring from M52 to M33.5 – So if you already have a standard Duo connector bayonet ring (in M52), you can use this adapter to reduce it to M33.5 and, for example, screw it onto most Guide models. 

Suitable for Guide Orion models, among others!

Furthermore, this reduction ring fits the PJ Advanced Adapter.