ARK II ND64
(Reduced exposure grade  6 stops  Material Optical glass)

Athabasca ARK II ND64

ARK II ND filter, it is used to reduce the amount of light and there will be no color deviation on the image. It is an important light deduction tool. Under the condition of strong light, it can reach large aperture, shallow depth of field and long-time exposure. When taking photos of flow water or flow clouds, it is used to reduce the amount of light and the speed of the shutter. Then you can get the image like silk waterfall.