Sigma 52mm Global Vision Protector Filter

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These filters have a new design that suits the high optical performance of all new Global Vision products to prevent vignetting or the decrease in peripheral light quantities espec ially when the thinner wide type filters are used with Sigma lenses. By incorporating Sigma?s Super Multi-Layer Coating, the filter reduces flare and hosting; black rimmed glass eliminates unnecessary internal reflections, and provides high performance for both digital cameras and film cameras. The protector is developed to protect the lens surface from dirt and dust as well as scratches. It is an ideal filter for regular use as it is completely colorless so it does not affect color reproduction. Show more