Absorbs the ultraviolet rays which often makes outdoor photographs hazy and indistinct. This multi-purpose, all-around filter can serves as a permanent lens protector. While designed specifically for digital cameras. Multi-coated UV to reduce reflections off the surface of the glass Great optical quality at an affordable price. Precision milled aluminum frame. Filter Properties At A GlanceFront ThreadsYesAccepts Snap In Lens CapYesFilter Ring Depth (Less Threads)5mmCoatingMulti-CoatedFilter Factor0 - StopsThese new HOYA Alpha series filters are manufactured by HOYA exclusively for distribution in the United States of America.