With tis step-down ring
you can install a 72mm converter, filter or lense on your 77mm camera.
All in metal made, it will resist to anything... almost! ^_^
We can read here or there
The Sensei 77-72mm Step-Down Ring permits the use of 72mm threaded filters on lenses with 77mm filter threads. It features a lightweight, aluminum-alloy construction that has a corrosion-resistant, black anodized finish for durability.
- Step-Down Size (Lens to Filter) : 77mm - 72mm
- Ring Thickness : 3mm
- Ring Material : Aluminum
- Knurling : None