- Telescope sided 2" nose piece barrel with safety groove and 2" female filter thread (M48)
- Eyepiece sided with countersunk T-2 thread for a variety of adaptions such as adapting to T-2 binoviewers as well as an M48 male thread (hidden beneath removable M48 stopper ring).
- Effective optical length only 2.5mm.
- Telescope sided 2" nose piece barrel with safety groove and 2" female filter thread (M48)
- Eyepiece sided with countersunk T-2 thread for a variety of adaptions such as adapting to T-2 binoviewers as well as an M48 male thread (hidden beneath removable M48 stopper ring).
- Effective optical length only 2.5mm.
