Baader Planetarium S52/M48 Changer/Inverter Ring with S52 Dovetail for T-Rings

• Can be used to combine T-Rings with S52 dovetail with accessories with M48 thread (2" filter-thread) or further down to T-2 (with M48 / T-2 Ring #2958553)• changes the S52 dovetail of a adaptor into a M48 inner thread• This inverter ring is also part of our Sony E/NEX T-Ring #2408317 and of the Protective Canon DSLR T-Ring #2958550