For professional photographers seeking superior lens protection and exceptional image clarity, the 72mm HD3 Uv and Circular Polarizer Filter Kit from Hoya is an indispensable tool. This high-quality, durable filter kit is designed to meet and surpass the sharpness requirements of the latest 50-megapixel cameras. The HD3 Uv filter boasts a revolutionary 32-layer ultra-smooth, ultra-hard, nano-coating. This advanced coating is five times sharper and 800% harder than its predecessor, the Hoya HD2 Uv. This significant enhancement ensures optimal image quality, reducing glare and improving overall image sharpness. In addition to its superior coating, the HD3 Uv filter features Hoya's exclusive chemically enhanced optical Uv glass. This glass is four times harder than traditional optical glass, providing an effective shield for your lens against harsh elements such as blowing sand, freezing temperatures, and driving rain.