43.5-52mm Step-Up Ring
The 43.5-52mm Step-Up Ring permits the use of 52mm threaded filters on lenses with 43.5mm filter threads. It features a lightweight, aluminum-alloy construction that has a corrosion-resistant, black anodized finish for durability.
Use 46mm Filters on 43.5mm Lens
Corrosion-Resistant Anodized Aluminum