The Cokin Circular Polariser filter was designed for cameras with a polarising half mirror (split beam metering), and for digital cameras. The Circular Polariser filter increases the colour saturation of blue skies and removes the unwanted reflections...
This Cokin 67mm Adapter Ring (with 0.75mm pitch thread) is specifically designed to attach Cokin's ""X-PRO"" series filter holder to lenses with a 67mm filter thread.
This Cokin 72mm Adapter Ring (with 0.75mm pitch thread) is specifically designed to attach Cokin's ""X-PRO"" series filter holder to lenses with a 72mm filter thread.
This Cokin 77mm Adapter Ring (with 0.75mm pitch thread) is specifically designed to attach Cokin's ""X-PRO"" series filter holder to lenses with a 77mm filter thread.
This Cokin 82mm Adapter Ring (with 0.75mm pitch thread) is specifically designed to attach Cokin's ""X-PRO"" series filter holder to lenses with a 82mm filter thread.