K&F Concept 77mm, multifunctional adjustable black mist1/4&ND2~32, HD

One filter has the ND & black diffusion 1/4 effect filter features, it not only can control the amount of light enter lens via adjust (1-5 stops ), but also creats cinematic dream effect for photos and video.

Made by professional optical glass, the black diffusion 1/4 filter keeps standar 84% transmittance. Double side polishing technology ensures HD images and sharpness even on wide-angle lens.

This multifuctional filter with double sides multi-layer coatings (total 28 layer), effectively reduces reflection came from filter itself, hydrophobic, scratch resistant , oil proof , easily for cleaning.