What's in the box? - Hoya Pro1D Filter Protector 52mm Features: Hoya's Pro1 Digital filter series are designed exclusively for digital cameras. Key features of Pro1D filters: - Digital Multi-Coated. These filters greatly reduce the appearance of lens flare and ghosting caused by reflections. - Black Almite Frame. The black matte aluminium satin-finish Almite frame reduces reflections. - Black Rimmed Glass. This reduces light reflection around the filter edge. - Low Profile Frame. Ultra-thin filter frames to help avoid vignetting on super wide angle lenses. Also designed to hold a lens cap. - Knurling Edge Frame. Equipped with a straight knurling edge for non-slip, easy attachment and removal. - UV Protected Case. Filter cases are UV protected to further lengthen the life of filters. This 52mm Pro1D Protector filter is the ultimate in clear filters. It will not affect the colour balance or performance of your lenses in the slightest. However, constant use will protect your valued lenses from expensive front element damage which could be caused by dirt, knocks or scratches.