Feature:1. Multi-layer CoatingAnti-reflective multi-layer coating on both sides of the lens, the filter has the functions of water stain, oil stain and mold prevention; Convenient cleaning and effective extension of filter life.2. Special Optical Glass for a softer effectFine black quartz particles are injected into the optical glass to reduce the contrast and preserve more detail. So that photos or videos can render a special dreamlike movie effect.3. Dreamlike Softening EffectThe highlight part can be softened by the filter, so that there is a halo around the highlight, reducing the contrast and retaining more details of picture.4. Automatically Beautify and Soften SkinThe filter can soften the light of the facial details of the characters in the picture, effectively reducing the flaws such as spots and wrinkles on the faces of the characters.5. Easy to InstallFirst tighten the magnetic adapter clockwise on the lens, and then put the black diffusion filter close to the magnetic adapter. The installation is complete. Easy to install and quick to release.Specification:Features:Multi-layer CoatingAnti-reflective multi-layer coating on both sides of the lens, the filter has the functions of water stain, oil stain and mold prevention; Convenient cleaning and effective extension of filter life.Special Optical Glass for a softer effectFine black quartz particles are injected into the optical glass to reduce the contrast and preserve more detail. So that photos or videos can render a special dreamlike movie effect.Dreamlike Softening EffectThe highlight part can be softened by the filter, so that there is a halo around the highlight, reducing the contrast and retaining more details of picture.Automatically Beautify and Soften SkinThe filter can soften the light of the facial details of the characters in the picture, effectively reducing the flaws such as spots and wrinkles on the faces of the characters.Easy to InstallFirst tighten the magnetic adapter clockwise on the lens, and then put the black diffusion filter close to the magnetic adapter. The installation is complete. Easy to install and quick to release.Specifications:Diameter: 77mm 1/4, 77mm 1/8, 82mm 1/4, 82mm 1/8(optional)Material: Aluminum Alloy + Optical Glass + Black QuartzPacking List:1 * Filter1 * Magnetic Adapter RingPackage List:1 * Filter1 * Magnetic Adapter Ring