【Variable ND2-ND32 & Black Diffusion Filter1/4 Function 2 in 1】One filter both have the variable ND & black diffusion 1/4 effect filter features, it not only can control the amount of light entering the lens via adjusting (1-5 stops ) but also creates a cinematic dream effect for photos and video. | 【No "X" Cross in Images】No "X" cross on images, K&F Concept utilizes frame-self locked technology to avoid this common issue on wide-angle lenses and variable ND filters. CNC-non slip frame helps install and remove the filter smoothly. | 【Import Japanese AGC Glass】Made by the professional optical glass, the black diffusion 1/4 filter keeps standard 84% transmittance. Double side polishing technology ensures HD images and sharpness even on a wide-angle lens. | 【28 Multi-Layer Coatings】This multifunctional filter with double sides multi-layer coatings (total of 28 layers), effectively reduces reflection coming from the filter itself, waterproof, scratch-resistant, oilproof, easily for cleaning. | 【Note】This filter is compatible with all 77mm lenses. Please verify your camera's lens thread size(usually marked somewhere on the lens barrel or printed underneath the lens cap) before ordering. The number is always preceded by a "ø" (diameter) symbol. | New and old packages are sent randomly