Table of Contents
(click topic to jump to location in bottom Frame)
Text Topics (Top of Text)
  1. Definitions
  2. Why Collimate?
  3. The 'Perfect' System
  4. Collimation Tools
  5. Collimation Steps
  6. Laser collimation
  7. Star Collimation Check
  8. Appendix A - Calculations
    1. Terms
    2. Secondary Mirror Size
    3. Secondary Shadow Diameter
    4. Secondary Mirror Offset
    5. Vignetting
Figure Illustrations
  1. Typical Newtonian Diagram
  2. Additions to the Typical Newtonian Diagram
  3. Typical Reflections of the Primary Mirror Visible in the Secondary Mirror from the Focal Plane
  4. Secondary Offset
  5. Visualizing Reductions in Illumination
  6. Illumination Problems Seen From the Focal Plane
  7. Secondary Mirror Adjustments Using the Sight Tube
  8. Secondary Mirror Adjustments Using the Sight Tube(continued)
  9. Primary Mirror Adjustments Using the Standard Cheshire
  10. Primary Mirror Adjustments Using the CATSEYETM Cheshire