【Matte Box ND Filter】Designed for K&F Concept matte box, also compatible with Tilta ,SmallRig , Neewer matte box and filter frame. The 4"x5.65" sqaure filter enables better control over shutter speed and aperture, avoids overexposure and balances image exposure, perfect for photography and videography under bright sunlight with motion blur effects
【Impoted HD Optical Glass】Made of imported optical glass, double sides polished filter delivers high clarity pictures without compromising image quality or adding color cast. Perfectly for 4K & 8K video shooting.
【0.2% Ultra-Low Reflectivity】The reflectivity is controlled at 0.2%, which effectively reduces lens reflection and vignetting phenomenon, resulting in a clearer image with higher contrast and richer details.
【28 Multi-Layer Coatings】 Both sides of the glass with nanometer coatings, make the filter scratch resistant, waterproof, oil proof and fingerprint resistant. The leather filter bag protecting the filter perfectly.
【Note】Not being directly screwed onto lens, the square ND filter can be used for lenses of various focal lengths when mounted on a matte box.