Function: 1. Filter function: suppresses high contrast of light and shadow, reduces excessive sharpness in the focusing area, provides a soft image without the need for retouching, and the black soft filter can give the captured image a hazy and soft cinematic character. 2. MRC coating: The MRC coating contains super-hard metal compounds that can prevent hard objects such as gravel from scratching the filter itself, ensuring that the filter can provide long-lasting effective optical performance. 3. Mage quality: With its clear black and soft properties, it can create a divergent effect around bright areas, creating a dreamy soft focus. At the same time, it reduces the overall contrast of the image to avoid overexposure in the area of soft focusing with high illumination, and additionally increases the feeling of softness 4. Excellent oil stain resistance: The oil stain resistant coating layer provides a smooth and clean lens surface, preventing stains and effectively protecting the lens. It is suitable for photographers who can easily create in challenging environments. 5. Waterproof: This 1/8 black diffusion filter has a delicate and smooth surface, like water drops falling on the mirror surface, which leaves no marks and is easy to clean, making it popular with photographers. 6. Suitable scenes: The black 1/8 lens diffusion filter is suitable for filming, portrait shooting, still life scenery and scene shooting. Precision CNC molding, non-slip texture and slim gold thread. . UV FILTER ULTRAVIOLET BLACK ON 39MM Specification: Item Type: Black Difusion 1/8 Lens Filter Material: optical glass, aluminum alloy Number of coating layers: double-sided 18-layer coating Mirror frame thickness: approx. mm / 0.12in . UV FILTER ULTRAVIOLET BLACK ON 39MM List of packages: 1 x Filter 1 x Storage . UV FILTER ULTRAVIOLET BLACK ON 39MM