2.1

• compound microscope -

  • Any microscope that has 2 or more lenses is a compound microscope
  • To see an object with a microscope light must travel through it
  • Called a compound light microscope
• eyepiece - contains the lens that magnifies
• coarse adjustment knob - moves the stage up or down to focus on the object to produce a clear, sharp image
• fine adjustment knob - brings the object into sharper focus
• revolving nosepiece - holds the 3 objective lenses
• objective lenses - provide different strengths (power) of magnification
• stage -  supports the slide that holds the object you want to view
• stage clips - hold the slide firmly on the stage
• diaphragm -  has different-sized holes that let different amounts of light pass through the object you are viewing
• lamp - supplies the light that passes through the object you are viewing
• arm - Allows you to carry the microscope securely
• base - Serves as the foundation for the rest of the microscope
• compound microscope

  A) Eyepiece

  B) nosepiece

  C) objective lenses

  D) arm

  E) stage

  F) stage clips

  G) diaphragm

  H) light source

  I) base

  J) fine adjustment knob

  K) coarse adjustment knob