Extremely thin, only 3.4mm. No vignetting even with wideangle lenses.
Unique design allows an oversized 82mm sized ND filter to fit on a 77mm camera lens (95mm oversized ND filter fits on an 82mm camera lens).
German manufactured Schott Glass B270 with exclusive multi-layer Anti-Reflective Coating for perfectly linear, uniform light reduction from edge-to-edge, high light transmission, reflection reduction and precise color rendition.
Protection Coating (waterproof, oil-resistant, scratch-resistant, anti-reflective, anti-static) for easy cleaning and superior lens protection.
Lightweight, high performance scientific grade aluminum filter ring provides high strength, corrosion resistance, stability and critical filter alignment.