Extension Tube 48 mm (2" Filter Thread) with double sided 2" Filterthread 20 mm Length
This Adaption is be proven in many areas of the astronomy. The Extension Tube has to be screwed into the Filterthread from a 2" eyepiece or a 2" adaption and therefore will extend the barrel for 20 mm.
On the telescope side you are able to adapt a Filterthread or even a further Extension Tube. So you are able to extend the barrel user defined without the fitting accurancy like using barrels which are wobbling.Delivery contains:
M48 Extension Tube 20 mm Length.