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Slit Wheel
| 0 | Dark |
| 1 | 54 micron wide slit |
| 2 | Coronagraphic Masks |
| 3 | 100 micron wide slit |
| 4 | f/7.5 imaging stop |
| 5 | f/16.6 imaging stop |
Prefilter Wheel
| 0 | Open |
| 1 | Dark |
| 2 | PK-50 blocker |
| 3 | v=1-0 S(1) H2 emission line (2.122 1%) USE WITH K! |
| 4 | JHK Grism (R=750 with 54 micron slit) |
| 5 | Narrow-band K continuum (2.09 1%) USE WITH K! |
| 6 | J or K Grism (R=1360 with 54 micron slit) |
| 7 | H or L Grism (R=1100 with 54 micron slit) |
| 8 | J AND H Grism (R=780 with 54 micron slit) |
Filter Wheel
| 0 | Open |
| 1 | 1.4 micron long pass |
| 2 | JHK Order Sorter |
| 3 | IJH Order Sorter |
| 4 | 755 - 1200 nm Order Sorter |
| 5 | Kshort OCLI; (Tokunaga consortium) |
| 6 | J Barr |
| 7 | H Barr with PK-50 blocker |
| 8 | K Barr |
| 0 | f/7.5 camera (camfocus 100) |
| 1 | Open |
| 2 | Pupil Viewing Camera (camfocus 2000; use ie campupil to see image of entire pupil) |
| 3 | f/16.6 camera (camfocus 1100) |
Note that the optimal focus position of the cameras changes and should be checked for best performance.
depoy@astronomy.ohio-state.edu