The B+W 40.5-49mm Step-Up Ring permits the use of 49mm threaded filters on lenses with 40.5mm filter threads. It features a lightweight, aluminum-alloy construction that has a corrosion-resistant, black anodized finish for durability. This step-up ring has side knurling to provide a more textured grip when mounting or removing it from a lens.
EAN: 4012240694983
