These are the posibilities:
|Focal Ratio||Wide Field||High Resolution||Very High Resolution|
|3.5m- f/10||0.3 "/pixel||0.2 "/pixel||0.1 "/pixel|
( with ALFA)
|0.12 "/pixel||0.08"/pixel||0.04 "/pixel|
Actually the optic wheel is fixed to avoid flexures in the instrument . It's possible to use all the optics, but you have to choose one and then the staff will fix that one. At the moment the option to move it by software is disable.