The Hoya Pro1 Digital UV is a multi-purpose fine-weather filter that absorbs the ultraviolet rays which often makes outdoor photographs hazy. This all-around filter can also serve as a permanent lens protector. Although designed specifically for digital cameras, the Pro1D series can also be used on film cameras as well.
These digital multi-coated filters will reduce the appearance of lens flare and ghosting, while the matte satin finish frame reduces reflections. The black rimmed glass reduces the chance of light reflecting off the edge.
The Pro1D series makes use of an ultra thin frames to avoid vignetting on super wide angle lenses. They can also hold a lens cap.
These filters also have a straight knurling edge for easy attachment and removal.