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The Polar Pro Quartzline 77mm to 82mm Step-Up Ring is a durable, precision-engineered accessory that allows you to use 82mm threaded filters on lenses with 77mm filter threads. Crafted from brass to prevent binding and jamming, it features knurled sides for enhanced grip when mounting or removing, along with a matte black finish to reduce reflections. This step-up ring provides a secure fit, ensuring consistent performance across various lens setups.