Baader Neutral Density Filter Range Size & Transmission::1.25" OD 3.0 T=0.1% 25” in 1995

25” in 1995

standard with every 'SP-Series' eyepiece

Some manufacturers of astro filters resort to coating large sheets of bulk glass

while staying true to our founder’s intent

guiding you through the alignment process and slewing to any celestial object with a simple tap

Baader Neutral Density Filter Range Size & Transmission::1.25" OD 3.0 T=0.1% 25” in 19951. 25" and 2" ND Filter Various Transmissions OD 0. 6 T=25% (optically polished) OD 0. 9 T=12. 5% (optically polished) OD 1. 8 T=1. 5% (optically polished) OD 3. 0 T=0. 1% (optically polished) For perfect energy management during Lunar and Solar observation. NO reflections. NO stray light. NO ghosting. Neutral Density (Grey) Filter 1 1 4" and 2" multi coated. Planoptically polished with Phantom Coating Group Multi coatings. Special Filter Cell: