The filters are listed in the order loaded into the wheel. The J, H, K, and K-prime values were obtained from transmission curves, and the K-long values from quoted specification.
| Filter | Center (microns) | Width | Half-power points |
| J | 1.25 | 0.294 | 1.106-1.400 |
| H | 1.67 | 0.309 | 1.519-1.828 |
| K | 2.21 | 0.413 | 2.008-2.421 |
| K-long | 2.288 | 0.35 | 2.11-2.46 |
| K-prime | 2.12 | 0.348 | 1.944-2.292 |