ProMaster 40.5mm-49mm Step Up Ring 5363

Promaster 40.5-49 Step Up Ring
PROMASTER Stepping Rings are the perfect addition to your collection of photographic gear. Use them with special effects filters and add on lenses to convert a lens with one thread diameter to a filter or conversion lens with another.

PROMASTER Stepping Rings are precision milled and designed to give you years of reliable service.