For Celestron SC’s 8″/9.25″/11″/14″), with female thread. 2″ (5mm
optical length) – stop ring for 2″ receptacles – exact regulation
of the distance – Hyperion fine tuning stop ring.
Place the stop ring over the 2″ sleeve and clamp the ring.
This creates a defined distance and a clean one
Attack. The clamping is precise and firm with a brass
clamping ring.
Precise stop on the 2″ receptacle – when precise distances
must be complied with (photography). Prevents jamming
the locking groove by changing the distances and striking
the socket with very long eyepieces on the prism or mirror.
Enables in connection with extension rings with 2″ filter thread
an extension of the socket of eyepieces and adapters.