1. Creating Slow Speed under heavy sun light
2. Allow to use large aperture under bright situation
3. Easier to control Flash output . Offers 2 to 8 stops added density
4. You don' t have to carry a bunch of Filters for shooting. 1 filter, give you from the range ND2 to ND400.
5. According to the optics theorem, it is not recommended to apply this filter for wide angle lens (<24mm, 35mm film format equivalent).

BOX INCLUDES

1. Fader ND filter x1pcs
2. Plastic Filter Box