Baader Planetarium 1in C-Mount Adapter with 1.25in Nosepiece, 18mm long, threaded to hold 1-1.25in eyepiece filters (also includes retainer ring to permanently hold one unmounted filter from 27.5 to...
Baader Planetarium Polarization Filter, 1.25in Single
Baader Polarizing Filter
Screws into 1¼ or 2" eyepieces/threads. Useful in Lunar and Solar observations to limit brightness and increase contrast...