Cokin Square Filter Gradual Nd Creative Kit - Includes Gnd 1-Stop (121L), Gnd 2-Stop (121M), Gnd 3-Stop (121) For M (P) Series H

Descriptionthe Graduated Neutral Density Kit Includes: Graduated Nd2 Hard (1 F-Stop) Graduated Nd4 Hard (2 F-Stops) Graduated Nd8 Hard (3 F-Stops) (3) Cases For Filters Graduated Neutral Density (Nd) Filters Allow You To Reduce The Amount Of Light Reaching The Sensor On A Portion Of Your Picture. This Helps Control The Exposure Difference Between Highlights And Shadows For A More Balanced Exposure And Dramatic Effect. By Rotating The Filter-Holder And Adjusting The Position Of The Filter Up And Down You Can Precisely Control Where The Filter Has An Effect On The Image.