【MATTE BOX ND FILTER】Designed for NEEWER matte boxes, compatible Tilta, SmallRig mini matte box and filter frame. The 4"x5.65" square filter provides better control of shutter speed and aperture, avoiding overexposure, balances image exposure, and is ideal for shooting in bright sunlight with a motion blurring effect
【HD Optical Glass】HD optical glass has high clarity and does not affect color balance. Instead of screwing on the lens, the square ND filter is mounted on the matte box to fit lenses of various focal lengths, making it ideal for 8K and 4K video shooting
【12.5% Light Transmittance ND0.9 Filter】The ND0.9 Neutral Density Filter stops the light from entering the camera lens and has 12.5% light transmission. The number 0.9 represents the optical density of the filter. The larger the number, the higher the optical concentration, and the lower the light transmittance
(30 layers of coating on both sides) With 30 layers of coating on both sides, it is scratch-resistant, waterproof, oil resistant, and fingerprint resistant. The included cleaning wipes make cleaning your filters a breeze
【Ultra Thin and Lightweight】0.16"/4mm thickness, only 5.7 oz (147 g), ultra-thin and lightweight filter will not feel heavy even when mounted on photographic equipment. Stores in a carrying case for easy carrying