【Premium Optical Performance】Crafted with high-quality optical glass to maintain image sharpness, accurate colors, and exceptional clarity. 【Black Mist for Cinematic Atmosphere】Softens highlights and reduces digital sharpness, creating a natural cinematic look with pleasing halation. 【ND Filter for Exposure Control】Reduce incoming light without affecting color accuracy, enabling smooth motion blur and wider apertures in bright conditions. 【UV Filter for Lens Protection】Protects the front element from dust, scratches, moisture, and everyday wear while maintaining image quality. 【Advanced Multi-Layer Coating】Nano multi-coating minimizes reflections, flare, fingerprints, and water spots for cleaner, higher-contrast images. Filter sizes compatible with the Thypoch lens series:M39: Ksana 21mmM49: Simera 28/35/50mmM58: Simera 75mmM62: Simera‑C 21/28/35/50mm, Simera 21mmM67: Simera‑C 75mm/ Voyager 24-50mm