The Kase adapter rings come in all sizes to allow you to use any lens with a filter thread from 49mm through to 72mm with the K9 holder geared rings that come in 77mm and 82mm sizing.
The adapter rings come individually in these sizes:
- 49-77
- 52-77
- 55-77
- 58-77
- 62-77
- 67-77
- 67-82
- 72-77
- 72-82
- 77-82