ATHABASCA ARK II 75 x 100mm RGND16 (1.2) Square Filter
Athabasca ARK RGND (Reverse Graduated Neutral Density) filters are made of German Schott B270 optical glass. The use of Schott optical glass gives our square filters excellent properties of chemical resistance, high temperature resistance, and abrasion resistance. With an ultra-thin noble metal multi-coating, Athabasca square filters are with low reflection and able to avoid color differences while also being water, stain and scratch resistant.
MaterialGerman Schott B270 Optical Glass
Coating: Water repellent, Stain and scratch resistant
Double-side anti-reflective coating