Protect your most significant optical investments with the Ultimaxx 105mm Professional UV Filter. At this elite diameter, even a minor scratch on your lens can result in a devastating repair bill. This high-definition, multi-coated filter serves as a permanent, sacrificial barrier—guarding your massive front element against dust, moisture, salt air, and accidental impacts without compromising the world-class sharpness of your lens. Crafted with High-Definition Japanese Optics, the Ultimaxx 105mm UV filter is engineered for the highest resolution sensors. It effectively absorbs ultraviolet rays to eliminate atmospheric haze and the bluish tint found in high-altitude or bright coastal environments. The result is a cleaner, high-contrast image with impeccable color fidelity. Despite its large size, the Ultra-Slim Profile ensures that your images remain free of vignetting, even on fast professional primes. Maximum Front-Element Security: The ultimate insurance policy for 105mm "Big Glass," protecting against permanent scratches and environmental damage. Pro-Grade HD Optics: Multi-coated Japanese glass ensures 99%+ light transmission, maintaining the elite performance of high-end cinema and telephoto lenses. Haze-Free Performance: Absorbs UV light to provide sharper contrast and more vivid colors in challenging outdoor lighting. Precision-Machined Aluminum Frame: Features a slim-profile design to minimize bulk while providing a rock-solid, threaded mount for lens caps. Limited Lifetime Warranty: A professional-grade tool backed by a lifetime commitment to quality and durability.