Table of Contents

 

Aberrations

          Chromatic Aberrations

                   What is chromatic aberration?

                   Why does the frequency of light affect its propagation through a system?

                   How does the frequency of light affect its propagation?

                   How can chromatic aberration be measured?

                   What does chromatic aberration look like?

                   How is chromatic aberration corrected?

Monochromatic Aberrations

                   Astigmatism

                             What is astigmatism?

                             Where does astigmatism come from?

                             How can we see astigmatism?

                             What does astigmatism look like?

                   Coma

                             What is coma?

                             What causes coma?

                             Why does it look like it does?

                             How do we alter a system so there is no coma?

                   Distortion

                            What is distortion?

                             What causes distortion?

   What does distortion look like?

   How is distortion prevented?

                   Field Curvature

                             What is field curvature?

                             Why does field curvature exist?

                             How do you get rid of it?

                   Spherical Aberration

                             What is spherical aberration?

                             How does a spherical aberration affect the image?

                             How can we counteract spherical aberration?

 

Definition of Terms