B+W 43mm Master UV Haze MRC Nano 010M Glass Filter for Lens ProtectionProduct Description B+W 43mm MASTER 010M UV Cut Filter, Color neutral, Blocks UV Components of Daylight, and Provides Lens Protection. The 010M filter will eliminate unwanted invisible UV light, so that ocean and high mountain region photos will not be blurred or have a blueish cast. The filter also has a MRC Nano coating to repel water and dust. Specifications color Black model 1101498 material Optical Glass itemWeight 0. 07 pounds partNumber 1101498