Adapter from 2" to T2 with 2" Inner Filter Thread
Adapter from 2" to T-2 with 2" Inner Filter Thread
This is an adapter from 2" to T2 with 2" inner filter thread (external T2 thread + external 50.8mm)
It comes with safety undercut that reduces the chance of the adapter to falling out from the focuser if the locking screw was not tightened well enough.
You can use the 2" filter thread to screw on your filters or other accessories. Its metrical size is M48 x 0.75.