The ND4 can help to reduce or modify the intensity of all wavelengths or colors of light equally.Features:Can protect your lens from scratches，also help to reduce or modify the intensity of all wavelengths or colors of light equally.This filter is compatible with 77mm lens.ND4 cuts the light entering the lens by 1/4.Comes with a case for ease of carrying and storing.Made of aluminium alloy and optical resin.Specifications:Material: Optical resin & Aluminium alloySuitable for: 77mm lens.Item Size: 7.7 * 7.7 * 0.6cm / 3.0 * 3.0 * 0.2inItem Weight: 24g / 0.8ozPackage size: 10.7 * 9 * 1.5cm / 4.2 * 3.5 * 0.6inPackage weight: 68g / 2.4ozPackage List:1 * ND4 Filter1 * Case"
