YONGNUO The variable Neutral Density filter is the most flexible in the ND filters.
The variable Neutral Density filter is the most flexible in the ND filters. You can reduce the amount of light (ND2 to ND400) with arbitrary rotation, most can be reduced aperture up to 8 steps for original amount of light 1/400. Fit long exposure during the day or shooting the sun and highlight objects. Black Alumite Frame Filters feature a matter aluminum satin finish alumite frame, which reduces reflections. Black Rimmed Glass These filters are equipped with black rimmed glass to reduce the chance of light refelctiong off the dege Low Profile Frame Ultra thin filter frames to help avoid vignetting on super wide -angle lenses are also designed to hold a lens cap. Knurling Edge Frame These filters are equipped with a straight knurling edge for non-slip, easy attachment and removal. UV Protected Case Filter cases are UV protected to furhter lengthen the life of filters.