The Pro 1 Digital Circular Polariser filter also enables colours to become more saturated and appear clearer with better contrast. This effect is often used to increase the contrast and saturation in blue skies and white clouds making it a perfect accessory for getting the best out of your landscapes. Please note: Polarising filters do not affect the overall colour balance of a shot. Box Contains Circular Polarizer 52mm PRO 1D Wideband; Instructions Features Make sure this fits. by entering your model number. Items dispatch from various location, including our international warehouses.