GTX FILTERS GF-X/ND40077 X Series ND400 77mm Camera Lens Neutral Density Filter, Black

Our “X” Series Filters-Does what software can’t do! Highest Quality and Value filters. Our Multicoated-Neutral Density Filters reduce light transmission. Neutral, no color shift. Helpful in very bright conditions, such as snow and beach scenes. Features:  16 Layers of Multicoating provides up to 99% light transmission. All metal slim rings, will not vignette on wide angle lenses  Double threaded to accept other filters or accessories  Pure Optical Glass