Athabasca is a Canadian company specialising in high quality filters for photography enthusiasts. Athabasca ARK II filters are one of the essential peices of equipment required for landscape photography. Using German made Schott optical glass combined with Nano coating technology, results in a highly scratch resistant glass. Ark II square filters contain a double sided anti-reflective film coating. and use an high quality low reflections and light reducing layer to help you achieve top quality results.
This filter provides 9 stops of light reduction.
Specifications
Athabasca ARK II ND (400)
Material: German Schott optical glass
Coating: Water repellent, Scratch resistant, Stain resistant Nano coating, Double sided anti-reflective film
Technology: Low reflection and light reducing layer (about 93.7% reduction)
