The Air UV Protection Filter from NiSi is a quality UV filter with a high light transmission rate of 99.9% and incredible sharpness, making it ideal for use even on cameras with sensors as large as 100 MP, all while protecting the front element of your lens. Its optical glass features a 48-layer coating, making it scratch-, water-, and oil-resistant, while the frame's brass construction makes it lightweight and durable. The included filter case and cleaning cloth help you keep your filter clean and protected.