Ray Diagram

Pratice how to construct a Ray Diagram. Study the illustraions. Draw the three major rays (Parallel Ray, Chief Ray or Radial Ray and Focal Ray)

Parallel Ray - A ray that travels parallel to the optic axis and is reflected through the focal point.

Chief Ray or Radial Ray - A ray that travels through the center of the sphere and is reflected back along the path it came.

Focal Ray - A ray that travels through the focal point and is mirrored parallel to the optic axis.