- Absorbs ultraviolet rays and protects the front lens of the camera lens from scratches, dust and fingerprints<br>- Neutral colour<br>- C18 coating: nine layers on each side, for very high light transmission<br>- Nano coating reliably repels water and oil from the filter glass<br>- Quality standard (glass): crown lens glass<br>- Specially designed for high-quality lenses<br>- Flat metal mount, therefore no vignetting (dark shading of picture corners)<br>- Nevertheless with a front thread for lens caps, other filters or lens hoods<br><br>Impact on the pictures:<br>- Clear, sharp photos<br>- Absorbs ultraviolet rays up to 390 nm<br>- Reduces haze and prevents fuzziness This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5895-00-661-1773, indicating validated use in U.S. government and defense logistics supply chains.