High Quality: Built with Japan Optics glass for top level light transmittance, increasing optical clarity and colour fidelity. Multiple coated filter allows 99% transmittance compared to 90% transmittance of normal UV filters on the market. Fully Protection: Multi-coated glass blocks and prevents the harmful effect of UV rays and eliminates haze that can register a bluish cast from scenic shots. Protect your expensive lens from dust and scratch while not lowing your photo quality. Ultra Slim: Double threaded yet only 3mm in depth, avoid vignetting on wide angle lenses. Extra tough aluminum frame ensuring great durability and jamming prevention. The lens filter fits snugly to the lens and has a threaded front element for lens cap etc. Easy Installation: These MC UV filters frame is designed with CNC trapezoidal pattern, ensuring more friction when screwing. Very easy to install. Notice: This filter is compatible with all 67MM lenses. Please verify your camera's lens thread size before ordering. Your camera's lens thread size will be marked somewhere on the lens barrel or printed underneath your lens cap.