Fotasy NDKit72 72 Multi-Coated Camera Lens Neutral Density Filters The 72mm ND Filters are Multi-Coated (16 Layer Green Coating) and MRC Nano Coated Neutral Density (ND) filters can reduce the intensity of light without appreciably changing its color. Apply slow shutter speed under sunlight exposure, large aperture is available to create depth of field easily. ND-4 2 Stops light reduction (75%), ND-8 3 Stops light reduction (87.5%), ND-16 4 Stops light reduction. Material: Optical Glass, Black Rimmed Package includes 72mm ND4 Filter, ND8 Filter, ND16 Filter and Filter Pocket Case