The LF2115, 2" Variable Polarizing Filter, is the all-phase lunar filter for large telescopes. Transmittance is continuously variable from 5% to 35%. Fits 2" eyepieces that have a standard 2" filter thread. Lumicon Polarizing Filters are made from renowned 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, these filters are 100% guaranteed for life.
Manufacturer part number: LF2115