77mm MRC VND Filter

1. 1-9 level adjustable light extinction, made of two sets of optical glass and polarizing film.2. Made of excellent SCHOTTB270 optical glass from Germany, without damaging image quality.3. Filter tray, made of aircraft-grade aluminum alloy, is of fluid damping, wear-resistant, and anti-corrosion.4. 18-layers coating on both sides reduces glare and ghost, waterproof and oil-resistant.5. Compatible with 77mm lenses.