【Special Diffusion】The black mist filter has fine black diffusing material embedded in the optical glass. It can diffuse and reduce the impact of highlights, while lightly brightening shadows which delivers an overall balanced tonal range. In bright lighting conditions, it will create a soft glow, but in neutral lighting, it will diffuse the colours and smooth the contrast 【Cinematic & Film-Like Effect】Lowering the overall contrast and creating a halation effect on lights, providing a soft image. The subtle effect of the black mist filter is best seen when there is a contrast of dark and light areas, mostly used to create a dreamy look and a cinematic look with a moody ambience 【Organic & Ethereal Portrait】This diffusion effect can subtly soften subjects’ skin, smoothing out wrinkles and blemishes. Soften hard edges and diffuse highlights, creating a dreamy cinematic look on photography and videography creations. Easier to edit in post-production with the softer, more even skin tone to sample from 【Quality Made & Easy Installation】The lens filter is a screw-in filter which is easy to apply. Made of high-precision optical glass. The aluminium alloy-made frame keeps the filter lightweight and tough. Double-sided multi-layer nanometer coating contributes to controlling marking flares, while making it weather-proof, scratch-proof, greasy-proof and mould-proof 【Compatible & Comprehensive】The 1/4 black diffusion filter with standard transmittance of 90%. 3.2mm slim filters are compatible with all lenses with a filter thread of 39mm diameter. Please verify your camera's lens thread size before ordering. Here are 3 filter strengths available: from weakest to strongest they are 1/8, 1/4 and 1/2. It’s available in various different sizes. Every lens diffusion filter will be shipped in a hard plastic box which is very useful and convenient to use