The filters being used are from the ING complement of filters.
Below is a profile of these filters
The turnover velocities for the filters are:
| 657.0nm -> 660.7nm | 950kms-1 (658.4nm) |
| 657.0nm -> 659.5nm | 950kms-1 (658.4nm) |
| 660.7nm -> 662.6nm | 2331kms-1 (661.4nm) |