11
Face-on view
Edge-on view
2
1
3
Figure 23
Secondary Mirror Assembly
1. Spider Vanes Adjustments
2. Collimation Screws
3. Secondary Mirror Holder
1
2
Correct (1) and incorrect (2) collimation as viewed by a star test.
Figure 24
1
2
3
4
5
1
2
1
1
2
2
3
3
4
Figure 25
Figure 26
Figure 27
Figure 28
4
3
2
5
1
6
1. Parabolic Primary Mirror
2. Secondary Mirror
3. Secondary Mirror Holder
4. Spider vanes
5. Primary Mirror Adjustments & Locks
6. Focused Image
Figure 22
Newtonian Reflecting Telescope
