Optical Instruments

Microscope

• objective and ocular (eyepiece) lens - both converging lens
• complete ray diagrams on handout

Telescope, Binoculars

• Galilean Telescope - complete ray diagrams on handout
  • objective (converging) and ocular (divergine)(eyepiece) lens
• Reflecting Telescope
  • complete diagram in notes p397 fig 2
• Refracting Telescopes - discussion
  • ref p397 fig 3
  • compare to microscope
  • note Fo and Fe are at the same point
• Terrestrial Telescopes - discussion
  • ref p398 fig 4
  • note the purpose of the erector lens
• Prism in Binoculars
  • ref p399 fig 5
  • What is the point of the Prism?

• Downloadable handout - Optical Instruments - Ray Diagrams of Microscope and Galilean Telescope
  • to view see note 1