Combo of 2″ eyepiece clamp with four connection threads.
The adapter offers a very robust 2″ clamp for the following
Telescopes:
M60 thread (for Vixen devices)
M68 thread (for the M68 system from Baader and on Zeiss)
2.7″ thread (for Astro Physics refractors)
M56 internal thread (for Celestron / Skywatcher / Orion refractors).
Thread on the telescope side: M60, M68, 2.7″ (outside) and M56 (inside)
Eyepiece side: 2″ plug inside – clamping with 2 screws with clamping ring
Thread on eyepiece side: M68
Optically effective ways on 2″:
From the M56 thread – 27mm
M60 thread out – 25mm
2.7″ thread out – 12mm (if you remove the M68 ring)
From the M68 thread – 18mm