This 25mm extension is a valuable upgrade for anyone utilizing the TPO Ritchey-Chretien (RC) model it is meant for, allowing more space for assorted accessories to be used with the TPO RC model scope. This extension tube is threaded female M117x1 on the telescope side and male M117x1 on the opposite side.

This extension is compatible with the following telescopes:

TPO 10" RC

TPO 10" Truss Tube RC

TPO 12" Truss Tube RC

TPO 14" Truss Tube RC

TPO 16" Truss Tube RC

TPO Product Number: E25-RC10