Main Table of Contents

  0: Introduction
  1: Lenses
  2: Converging lens: ray-tracing diagram
  3: Diverging lens: ray-tracing diagram
  4: Interactive problem: image with a diverging lens
  5: Sample problem: object outside the focal point of a converging lens
  6: Sample problem: object inside the focal point of a converging lens
  7: Lens equations
  8: Sample problem: single lens
  9: Interactive problem: focus a camera
10: Interactive problem: optical bench with a lens
11: Interactive checkpoint: lens equations
12: Multiple lenses: compound microscope
13: The human eye
14: Nearsightedness
15: Farsightedness
16: Physics at work: laser eye surgery
17: Refractive power: diopters
18: Angular size
19: Angular magnifying power: simple magnifier
20: Derivation: simple magnifier equation
21: Interactive checkpoint: simple magnifier
22: Telescopes
23: The magnifying power of a refracting telescope
24: The magnifying power of a compound microscope
25: Lens aberrations
26: Gotchas
27: Summary

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Problems