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The Century Precision Optics 34-37mm Step-Up Ring permits the use of 37mm threaded filters on lenses with 34mm filter threads. It features a lightweight, aluminum-alloy construction that has a corrosion-resistant, black…

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The Century Precision Optics 34-37mm Step-Up Ring permits the use of 37mm threaded filters on lenses with 34mm filter threads. It features a lightweight, aluminum-alloy construction that has a corrosion-resistant, black anodized finish for durability. This step-up ring has knurlings along the edge of its side closest to its rear threads. This provides a more textured grip when mounting or removing it from a lens.
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