The K&F Concept 1/4 Black Mist Filter Nano X with a 77 mm thread diameter is a professional photo filter designed to enhance image quality through subtle atmospheric effects. This filter reduces contrast while maintaining sharpness and creates a gentle haze effect that softens highlights and gives photos a cinematic quality. Made from high-quality optical glass with nanocoating technology, the filter offers excellent light transmission with minimal reflections and stray light. The black anodized aluminum frame is only 4 mm thick, making it compatible with wide-angle lenses without vignetting. With a diameter of 77 mm, the filter fits standard professional lenses and features a robust construction that resists scratches and environmental influences. The 1/4 density creates a balanced haze effect that remains noticeable yet subtle—ideal for portrait photography, landscape shots, and creative image design. The filter preserves color accuracy while softening harsh contrasts, resulting in images with smoother tonal transitions and enhanced atmospheric presence. Easy to attach and remove, this filter is designed for photographers looking to expand their creative possibilities without compromising optical quality and reliability under various shooting conditions.