Microscope

• stage


  at the centre of the microscope, where the slide goes
• light


  below the stage and passes up through the slide
• 3 objective lenses


  above the stage with magnifications of 4x, 10x or 40x
• eyepiece 


  where you look through, has a lens of 10x magnification
• 2 dials

  on the side, coarse focussing and fine focussing
• 1

  place slide on stage under clippers
• 2

  select lowest power objective lens
• 3

  position objective lens so it’s almost touching the slide by tuning the coarse focussing dial
• 4

  look through eyepiece and adjust coarse focussing dial until slide is in focus
• 5

  use fine focussing dial to make cells clear
• magnification = image size/actual size