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The Sigma 77mm UV DG filter is worth over £60. The Ultra Violet filter is the perfect accessory to protect the lens from damage to the front element. Sigma’s DG filters benefit from a special multi-layer lens coating, developed to counteract the highly reflective characteristic of image sensors.
Visit the Sigma Imaging website or ask your local photographic retailer for more details of this offer and how to claim your free Sigma 77mm UV DG filter.