Narrow and Medium-band Filters
blueward of 4000 Angstroms,
kept at the 3-meter
| Central Wavelength | FWHM | Notes |
|---|---|---|
| 3380 | ? | |
| 3380 | 30 | |
| 3440 | 90 | |
| 3500 | 50 | |
| 3650 | 20 | |
| 3662 | 70 | |
| 3690 | 30 | |
| 3700 | ? | |
| 3734 | 60 | |
| 3750 | 80 | |
| 3804 | 65 | |
| 3825 | 300 | |
| 3870 | 30 | |
| 3870 | 60 | |
| 3875 | 62 | |
| 3953 | 60 | periphery deteriorating |
| 3972 | 60 | periphery deteriorating |