These filters are clear in the bottom half of the filter with a gradual transition to the ND effect in the top half.
They are primarily used for light reduction in skylines of landscape shots.
Hitech filters are made from the highest quality 1.5mm optical resin.

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 4.41 inch
Height : 0.16 inch
Length : 5.43 inch

Item Weight: 2.08 ounce (View shipping rates and policies)
Shipping Weight: 2.08 ounce (View shipping rates and policies)

ASIN : B009A3IAGY