1、Function: By changing the focus area of the light to create a piece of bokeh blur effect, providing a soft image without retouching, the diopter can make the shooting image have a blurred cinematic feeling. 2、MRC Coating: MRC Coating contains ultra hard metal compounds that prevent the filter itself from being scratched by grit and other hard objects, ensuring that the filter can provide long term effective optical performance. 3、Soft Light Effect: Can produce a diffuse effect around the bright part, creating a fantastic blur effect, while reducing the overall contrast of the picture, to avoid overexposure of the highlights of the soft focus areas. 4、Applicable Occasion: Suitable for video shooting, portrait shooting, still life scenery, etc., shooting scenes, a pair of refractive lenses will be able to make your photos or videos full of story sense. 5、Waterproof: The surface of this filter is delicate and smooth, such as water droplets falling on the mirror, can be like a lotus leaf without leaving traces, and easy to clean, by the photographer's favorite, CNC accurate molding process, non slip texture. 6、Oil Resistant: The oil resistant coating layer makes the surface of the lens clean and not easy to stain, effectively protects the lens and is suitable for photographers to create in harsh environments without worrying. 1 x Diopter Filter1 x Cleaning Cloth1 x Storage Bag Item Type: Split Diopter FilterWeight: 345g / 12.17ozMaterial: Optical glass, Aluminum alloyCoating: Double sided 18 layers coatingThickness of Frame: The thinnest is about 3.15mm, the thickest is 7mm.Caliber: Approx. 15cm / 5.9in