Ray Diagrams

Ray diagrams can be used to determine the nature of the image.

This includes

  • the size
  • upright or inverted and
  • the distance of the image

Please refer to the associated pages which place the object at varying distances form the lens.

Position of object

Position of Image

Size of Image

Real or Virtual

Inverted / Upright

Beyond 2F

Between 2F and F

Smaller

Real

Inverted

at 2F

At 2F

Same Size

Real

Inverted

Between 2F and F

Beyond 2F

Larger

Real

Inverted

At F

No Image

No Image

No Image

No Image

Between F and lens

Same side of Object

Larger

Virtual

Upright