Schneider Graduated 4x5.650 (Panavision Size) ND filters feature crystal-clear, water-white optical glass, protected against edge-chipping and delamination by Schneiderﾒs unique Edge Seal, which also significantly reduces edge reflections and flare.
Neutral Density (ND) Schneider Graduated filters can be used in uneven lighting situations to balance exposure. They are also used to increase color saturation in sky scenes by lowering sky exposure.
Use a Soft Edge when you want a subtle transition, or when using short focal length wide angle lenses.
Use a Hard Edge when you want a bold transition, or when using long focal length telephoto lenses