Lumicon 1.25 Inch Variable Polarizing FilterLumicon 1.25 Inch Variable Polarizing Filter is an all-phase lunar filter for large telescopes. Transmittance is continuously variable from about 5% to 35%.
Lumicon Polarizing Filters are made from high quality Schott- Hoya optical glass and allow for maximum contrast of lunar detail. Individually precision ground, highly polished with maximum light transmission coatings on both sides.
Threaded to fit standard 1.25″ astronomical eyepieces.