*This series of products are not sold separately.
| Suitable for various optics like lenses, filters, retroreflectors and polarizers with an outer diameter listed in the table below; |
| The mounting ring is not sold separately, but equipped with the optic and retaining ring for direct use as a whole by customers; |
| Both ends of the mounting ring are standard SM threads (one end is male, the other is female), which can be easily mounted to the corresponding SM thread interface. |