DOLICA CF-NDK55 55mm Neutral Density Filter 2x,4x,8x Kit

DOLICA CF-NDK55 55mm Neutral Density Filter 2x,4x,8x Kit Brand: DOLICA Type: Neutral Density Size: 55mm Compatibility: Any Camera with lens thread size of 55mm Features: ND (Neutral-Density) filter is designed and used to reduce the amount of light passing through the lens so that a longer exposure is required to record an image. The ND filter is commonly used for longer exposure to emphasize movement, such as photographing waterfalls to enhance the blurred effect of the moving water. Another common use of ND filter is to allow use of wider apertures to reduce depth of field.