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.

The 72-77mm Step-Up Ring allows the use of 77mm threaded filters on a 72mm threaded lens.