The highly reproducible positioning mechanism and independent double wheels enable multiple combinations of filters or other parts. Each wheel can hold up to six circular filters.
| Suitable for using filters or optical components with a diameter of 25.4mm； |
| GRFH-1 can hold up to 6 filters, while GRFH-2 can hold up to 12 filters； |
| The multiple pre-compressed spring positioning bead design can provide highly reproducible and stable movement of the wheel when it is turned by hand； |
| The allowable maximum thickness of filters/optics is up to 5mm； |
| There are M6 tapped holes on the two bottoms, so that it can be used horizontally and vertically. |
