Kenko 342626 ZX ND8 2.4 inches (62 mm) ND Filter, 3 Aperture Reduction, Water Repellent, Oleophobic Coating

Light control filter reduces light by 1/8th of an hour or 3 stops The innovative frame structure "floating frame system" that does not strain the glass to ensure the ultimate flatness and ultra-high resolution. The only ND filter that can be stacked to maintain the highest image quality. It also strongly repels water and oil and can be easily wiped off even if dirt such as fingerprints, etc., so you can shoot in the water or even in rainy weather, and it is easy to maintain your daily routine. It is water repellent and oil repellent, yet has extremely high color reproduction.