NEEWER Variable ND Filter 67mm ND2 ND400 (1 9 Stops), Neutral Density Filter, Multi Coated, Water and Scratch Resistant

Variable ND Filter-The ND2-ND400 variable ND filter reduces the amount of light reaching the camera sensor from 1 to 9 stops, allows you to take photos in various conditions with slower shutter speeds and wider apertures, perfect for capturing rivers, waterfalls, streaks of light and other moving objects with dynamic motion blur Superior Craftsmanship-4-element optical glass with Japanese NITTO polarizing film ensures optimal neutrality as well as precise contrast and color reproduction Multiple Nano-Coatings-Several nano-coatings with a minimum light reflection of 0.1% block ultraviolet rays from 300nm to 380nm and reduce glare and ghosting. They also protect the filter against water, oil, dust and scratches Ultra Thin Metal Frame - Ultra thin 9.5mm metal frame with precise threads is easy to mount while avoiding thumbnails on wide angle and telephoto lenses Remarks- A dark cross pattern may appear when using certain lenses and focal lengths. This is normal and temporary for variable ND filters; Minimum and maximum ND effects differ depending on actual situations; For long exposure, please purchase ND1000 or ND2000 filters; For 67mm ND filters, use 72mm lens caps