Set Focus
- every time you change filters -
Send focus offsets from the Clio GUI to set the focus to the value indicated in the table below. To get the current bayside Z focus position, either ask the AO operator use the BoardGUI on aosup@magswfssup.lco.cl.
Focus Values (May 2015)
| Filter |
Wide (f/21)
Bayside Z [mm] |
Narrow (f/37)
Bayside Z [mm] |
| J |
not Nyquist |
35.4 |
| H |
34.0 |
34.7 |
| BrG |
33.2 * |
35.0 |
| Ks |
33.1 |
34.9 |
| 3.1 |
33.7 |
34.4 |
| 3.3 |
33.3 |
34.3 |
| Lspec |
33.3 |
34.3 |
| L' |
33.4 |
34.1 |
| L' + 0.1% |
33.5 |
34.2 |
| L' + 4.4% |
33.1 |
33.8 |
| 3.9 |
33.3 |
34.3 |
| M' |
32.5 |
34.0 |
| M' + 0.1% |
32.6 |
34.1 |
| M' + 4.4% |
32.1 |
33.6 |
| 3.9 + vAPP A1 |
|
33.8 |
| Prism |
|
|
* = Inferred from other values
Historical Focus Positions