Cokin P Series Evo Circular Polarising Filter -95mmIncreases the colour saturation of blue skies, removes the unwanted reflections from non metallic surfaces such as glass, water, etc Use at a right angle (90) between the shooting axis and the position of the sun and turn the filter in the holder to adjust the polarising effect. Features Round screw in filter, designed to fit EVO filter holder Filter Material: Schott Optical Glass 16 layer multicoating High resolution and high light transmission