Thin Lens

Principal rays for a thin lens. Adjust object distance and focal length.

Object distance |u|4.0

Focal length f2.0

Object height1.2

Thin Lens Equation

1/v − 1/u = 1/f

m = h′/h = v/u

f > 0 converging · f < 0 diverging

Real image: v > 0 · Virtual: v < 0