UV Protection Filter for Canon RF 100-400mm F5.6-8 IS USM — UV-Absorbing, Reduces Bluish Daylight Cast, Dust & Scratch Protection

Made specifically for the Canon RF 100-400mm F5.6-8 IS USM, this UV-absorbing filter improves outdoor photography by blocking ultraviolet rays that often produce hazy, low-contrast images—a common issue at high altitudes, along coastlines, or in snowy environments. It reduces the bluish cast caused by daylight so colors look more natural and overall image clarity is enhanced in a variety of lighting conditions. The filter features a clear, optically neutral construction with a 1x filter factor (+0 stop), so it does not alter exposure, contrast, or color balance; sharpness, fine detail, and true color rendition are preserved while you benefit from UV reduction. In addition to optical improvements, the filter serves as a durable front-element safeguard that can remain mounted continuously: it helps protect the lens from scratches, dust, dirt, water spots, fingerprints, and accidental contact, and provides extra defense against bumps, drops, and abrasions—helping extend the life of your lens investment.