SIRUI Nano ND1000 Pro MRC Aluminum Ring

1. Extremely thin, only 3.4mm. No vignetting even with wideangle lenses.
2. 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).
3. 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.
4. Protection Coating (waterproof, oil-resistant, scratch-resistant, anti-reflective, anti-static) for easy cleaning and superior lens protection.
5. Lightweight, high performance scientific grade aluminum filter ring provides high strength, corrosion resistance, stability and critical filter alignment.
6. ND filters reduce light transmission by 10 stops.