1. Polarization coating eliminates polarized light, increases color saturation, and removes reflections from non-metallic surfaces.
2. Made of excellent SCHOTT B270 optical glass from Germany, without damaging image quality.
3. Filter tray, made of aircraft-grade aluminum alloy, is of good 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.