ND8 filter 40.5mm (hoya)

Product Description:

NDX8 A ND(Neutral Density)8 filter reduces the light quantity for 3-stops and is equivalent to 8 times longer shutter speed. It is to wider aperture during shiny day or to imitate blur motion of the water and moving objects. This filter is effective to avoid the diffraction phenomenon which occurs by slow iris. Filter factor 8, Transmissivity 12.5%, Density 0.9 f/stop 3.