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: Derivation: the lens equations
12: Interactive checkpoint: lens equations
13: Multiple lenses: compound microscope
14: The human eye
15: Nearsightedness
16: Farsightedness
17: Hindsight
18: Physics at work: laser eye surgery
19: Refractive power: diopters
20: Angular size
21: Angular magnifying power: simple magnifier
22: Derivation: simple magnifier equation
23: Interactive checkpoint: simple magnifier
24: Telescopes
25: The magnifying power of a refracting telescope
26: The magnifying power of a compound microscope
27: Lens aberrations
28: Gotchas
29: Summary

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Problems