The Fotodiox 77-82mm Step Up Ring are precision crafted from aluminum-alloy for durability while remaining lightweight. Every ring is inspected to ensure smooth mounting. Every ring is polished and finished with anodized matte surface for professional appearance. This step up adapter ring allows a filter/attachment with larger thread size to be used with a lens with smaller thread size.
Note: These are step UP rings - for filters larger than the lens thread