Optical Instruments 1

Power of a Lens

• P=1/f
  • P - Power , (diopter)
  • f - focal length, m
• activity - Convert the diopter given for the lens in the last lab to focal length. Error calculation

Camera

• f-stop
  • f_stop=f/d
    • f - focal length, (m)
    • d - diameter of aperture, (m)
• effect of aperture size on a photograph

CCD

• charge coupled devise
  • ccd array, charge amplifier, a/d conversion