ND Filter Neutral Density ND2 ND4 ND8 Filtors 37 52 58 62 67 72 77 82mm Photography for Canon Nikon Sony Camera 37MM
Apply slow shutter speed under strong sunlight exposure, large aperture is available to create depth of field easily.
These filters are double threaded allowing additional filters or accessories to be mounted one over the other.
Made of superior optical materials.
The number indicates the fraction by which light is reduced; for example, ND2 cuts the light entering the lens by 1/2, ND4 by 1/4, and ND8 by 1.