- Product: #33106
- SKU: SURPA-40.552
The Sensei PRO 40.5-52mm Aluminium Step-Up Ring permits the use of 52mm threaded filters on lenses with 40.5mm filter threads. It has large side knurls to provide a more textured grip when mounting or removing it from a lens. This step-up ring features a lightweight, aluminium-alloy construction that has a corrosion-resistant, matte black, hard anodised finish for durability and to minimise reflections.