The K&F Concept C-Series 1/4 black mist diffusion filter is a camera filter designed to give a soft, diffused look to your images. This filter is designed to reduce contrast in images and create a soft and beautiful effect, which is particularly useful for portrait photography. This filter has a 1/4 black diffusion coating that helps to soften sharp edges and reduce contrast in images. The coating is made with High Transmission Multi-Coating (HMC) technology, which helps reduce glare. The filter is also designed to be durable and scratch-resistant, with a high-quality aluminium frame to help protect the glass.