Baader Adapter 2″ a/T-2 w.M48 #27

Adapter 2″ (male) / T-2 (male), with M48 female thread – for 2″
Eyepiece filter – as a direct connection for DSLR T-rings to the housing
from 2″ Herschel prism or Baader 2″ Maxbright diagonal mirror / prism