72mm 82mm Step Up Ring

General Brand 72mm-82mm Step-Up Adapter Ring (Lens to Filter)

Allows you to use larger size filters on lenses with a smaller diameter thread. The first number is the size that screws into the lense, the second number is the filter size.

AR82-72 Screw-On Step Up Ring - 72mm to 82mm Filter Thread

72-82mm Step-up Ring #131