ND2 to ND400 Slim Fader Variable Adjustable ND Filter Optical Glass 37 mm

8-layer MRC (multi-resistant coating) to help repel water and dust.Extra tough frame that ensures durability and prevents jamming. Eliminates overly bright & faded images.Enables slow shutter speeds to record movement in subjects such as waterfalls providing a silky smooth effect to flowing water. Allows the use of slow shutter speeds on high speed films or digital cameras to record movement/image blur in waterfalls, clouds or any fast moving subject.Slim rim design preventing wide angle vignetting, and the tough aviation aluminum frame ensuring durability. Decreases depth of field by allowing a wider aperture, helping to separate subjects from their background. Rotating ring between ND2-400 giving great versatility in changing light.Reduces the amount of light without affecting colour balance.