South Pole Telescope Design
This one is for Bill Holtzapfel.
Dewar is moved near aximuth axis by shaping secondary and using a fairly large tertiary (1.1 meter across)
Figure 1 Side view, all fields
Figure 2- full side view, central field only
Figure 3 - detail of Fig. 1
Figure 4 - Detail of Fig. 2
Figure 5 - Same as Fig 4, but field 6 only
Figure 6 - Spot diagram---this model is well-corrected over entire 1 degree diameter field of view.
Figure 7 - image plane