PRIMA LUCE LAB OnAxisLock2 2" FOR ESATTO / ARCO 2" 294MM It can be used to

It can be used to adapt the APM Riccardi M63 reducer to focusers which have male M68 x 1 threads

The Prima Luce Lab ARCO 3" is the larger version of the ARCsecond resolution rOtator that

The RASA 11 (91075) is compatible with the #94155-A focus motor

a central star point RMS radius of less than 1

Extra small “XS” size wheel for 8 unmounted filters D31 mm or filters in 1

PRIMA LUCE LAB OnAxisLock2 2" FOR ESATTO / ARCO 2" 294MM It can be used toThe PrimaLuceLab OnAxisLock2 2" for ESATTO & ARCO 2" is a double compression ring eyepiece holder which perfectly centres 2" eyepieces and accessories with no flexure, no scratches and no off axis tilt. Whether you are using eyepieces and diagonals for visual observation or precision astrophotography with heavy cameras, the OnAxisLock2 ensures a perfectly centred optical axis. Simply attach the OnAxisLock2 to the M56 x 1 threads as found on the