【Dual Functionality】This UV filter serves a dual purpose - absorbing UV rays and reducing blue tones caused by UV, ensuring picture-perfect clarity and color. Plus, it acts as a shield against dust and scratches, extending your lens' lifespan. | 【Premium Optical Glass】Crafted with imported AGC optical glass, this filter guarantees razor-sharp imagery while preserving the authentic colors of your photos. The filter cap perfectly fit the filter and lens, cleaning cloth harmless for the lens. | 【NANOTEC Coating】Featuring 28 multi-layer coatings, including hydrophobic and scratch-resistant properties, this filter boasts an impressive 99.6% light transmission. This minimizes reflections from both the environment and the filter, providing true-to-life high definition images. | 【Telephoto-Friendly】With its ultra-slim 3.3mm frame and double-side polishing technology, the K&F Concept HD UV filter ensures clear imagery even on telephoto lenses, with no vignetting. | 【Compatibility Note】Ensure a perfect fit by verifying your camera's lens thread size before ordering. The lens thread size is indicated by a "Φ" (diameter) symbol followed by the size, such as Φ72=72mm lens thread size.