The K&F Concept 1/8 Black Mist Filter Nano X 55mm is a professional camera lens filter designed to create subtle diffusion effects while maintaining image sharpness. This 55mm diameter filter features a 1/8 strength black mist coating that reduces contrast and creates soft highlights with minimal flare, making it ideal for portrait photography and cinematic video applications. Constructed with premium optical glass and nano-coating technology, the filter provides excellent light transmission while resisting water, oil, and fingerprints. The ultra-thin aluminum frame measures just 3.5mm in thickness, preventing vignetting on wide-angle lenses. The filter maintains accurate color reproduction and sharpness while adding a gentle haze effect that enhances skin tones and reduces digital harshness. Compatible with all 55mm threaded lenses, this filter includes multi-layer anti-reflection coatings on both sides to minimize ghosting and flare. The black mist effect is particularly effective for softening facial features, creating atmospheric scenes, and achieving professional film-like quality. The filter construction features brass mounting rings for precise threading and durability, with a scratch-resistant surface treatment. Weighing approximately 25g, the filter adds minimal bulk to camera setups while providing reliable protection for lens elements. The 1/8 strength offers subtle diffusion suitable for everyday photography applications where maintaining detail is important. This filter is part of K&F Concept's professional Nano X series, featuring enhanced coating durability and optical performance. The black mist technology diffuses light evenly across the frame while preserving edge-to-edge sharpness, making it suitable for both still photography and video recording. The filter's neutral color temperature ensures consistent results across various lighting conditions without color casting.