NDs are made in different densities according to the level of light reduction from 1/3 to as much as 10 Stops of light.
ProStop filters are a specialist range of high density NDs used to create motion blur in long exposure shots and can help create startling effects in water, cloud and other moving objects.
The range is available in densities from 6 to 10 Stops.

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 4.8 inch
Height : 0.63 inch
Length : 5.12 inch

Item Weight: 0 ounce (View shipping rates and policies)
Shipping Weight: 1.44 ounce (View shipping rates and policies)

ASIN : B009A3IA7S