SmallRig 4x5.65 ND1.2 Filter 3589, measuring 4x5.65, is designed for professional photographers. It features 6.25% light transmittance, with four levels of light extinction. It needs to work with a 4x5.65 filter tray or a matte box. High clarity, high transmission B270 optical glass is precisely ground and polished for use with lenses of various focal length without compromising image sharpness. The filter is coated on both sides with multi-layer nano film of uniform linearity of extinction spectrum and excellent performance. These coatings are mildewproof and water-resistant, toughened to prevent stain and easy to clean and care for, making for a part of everyone's gear bag. The filter has high-accuracy color reproduction at moderate color temperature, which makes video or film shooting easier.