【Black Diffusion Camera Lens Filter】NEEWER 77mm black diffusion 1/4 filter with dreamy cinematic effect helps reduce highlights and lower the glare, making the skin look smoother and gives the tone a hazier and softer look. The hazy film effect can be better realized, showing a dreamy film effect. Ideal for portrait photography, video recording, and vlog videos. 【HD Optical Glass】Made of Japanese AGC HD optical glass with 89% light transmission and a high definition quality, creating a soft quality of light and pastel effect. 【Multi Layers Nano Coatings】The 30 layers of nano coatings on both sides of the filter are waterproof & scratch resistant, and oil proof, effectively reducing the reflection came from the filter itself and the ground. 【CNC Non Slip & Ultra Slim Frame】This black diffusion 1/4 filter ultra slim frame with CNC trapezoidal pattern frame features only 0.13in/3.3mm and avoids vignetting and dark corners on wide angle and telephoto lenses; CNC non slip design frame is easy to install and remove. 【Please Note】This black diffusion soft 1/4 filter is compatible with all 77mm lenses. Please verify your camera's lens thread size before ordering. Your camera's lens thread size will be marked somewhere on the lens barrel or printed underneath your lens cap. This number is always preceded by a "ø" (diameter) symbol.