Thin Converging Lens by yurtgc548


									      Thin Converging Lens

3rd ray for ray tracing??
Lens Equation
Lateral Magnification
              Sign Rules
• Object distance: on the same side as the
  incoming light, POSITIVE
• Image distance: on the same side as the
  outgoing light, POSITIVE
• Converging lens: POSITIVE focal length
• Height: Above the principal axis, POSTIVE
             Virtual Image
• When the outgoing principal rays to NOT
  converge at a point (the real image), then
  extend the rays backward to find the
  virtual image.
Angular Magnification

M = Θimage’ / Θobject

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