LEE Filters 4x6" Combination Graduated 85 w/ ND 0.9 Resin Filter - Soft Edge

This filter has a Wratten #85 color for shooting tungsten balanced film in daylight. The word graduated refers to the Neutral Density graduation in the strength of ND 9 or 3 stops of density. It goes from full 3 stops of dark grey on one edge and fades to nothing on the other edge. You use this usually outside with a bright sky and a dark foreground. This balances the exposure of the image enough so the film or sensor can correctly expose the scene. One caveat: you usually cannot move the camera during video otherwise the effect is seen and looks weird.