T2 to 2" AdapterDo you want to use 2 eyepieces with your Lunt solar telescope or solar filter? Simply remove the 1. 25 eyepiece tube from your blocking filter and thread on this T2 to 2" adapter. The brass compression ring inside the metal adapter keeps your eyepiece barrels safe from thumbscrew scratches. You can use this adapter on Lunt blocking filters, H alpha & Ca K telescopes (except the LS35THa), and Ca K modules. Keep up with the solar news.