Features:_x000D_Neutral Density ND filters can reduce the intensity of light without appreciably changing its color._x000D_ND filters have different stop reduction numbers and transmittance thus generated can be applied for different shooting conditions, such as portraiture, water falls, etc._x000D_Apply slow shutter speed under strong sunlight exposure._x000D_Simply rotate the ring of this filter, it offers 2 to 8 stops added density._x000D_Slim profile design. Thin filters are essential for avoiding vignetting when shooting at wider angles._x000D_Notice:_x000D_Actual color may be slightly different from the image due to different monitor and light effect_x000D_Please allow 1-3cm deviation due to manual measurement_x000D_Specification:_x000D_Material: aviation aluminum_x000D_Size: 11x11x2.5cm_x000D_Diameter:37mm / 43mm / 46mm / 49mm / 52mm / 55mm / 58mm / 62mm / 67mm / 72mm / 77mm / 82mm_x000D_Thickness:6.9-7.5mmPackage List:_x000D_1x ND Filter