High-quality UV filter offering comprehensive lens protection against dust, rain, fingerprints, and scratches Durable Premium Brass Ring frame with 3.1mm ultra-thin design and knurling for easy grip Made from Schott B270 glass, known for high light transmission and hardness Features a total of 36 layers of coating, ensuring light transmission up to 99.4% Double-sided waterproof and oil-proof for enhanced durability in harsh environments Improves image quality and clarity, adding brilliance to your photography journey