Baader Planetarium T-2/T-2 Inverter

The Baader Planetarium T-2/T-2 Inverter is a simple T-2 externally threaded ring, which can be used to convert internal T-2 threads to external T-2 threads (gender changer). It is also useful for retaining certain components, like the Alan Gee Mark II Telecompressor when used with the Celestron/Baader 60-degree Bino-Viewer in 2" configuration.