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- f
- Focal length
- mm
- Focal length
-
- → f mm = ( p mm · q mm ) / ( p mm + q mm )
- 2_3
|
- p
- Distance from object to lens
- mm
- Distance object-lens
-
- → p mm = ( f mm · q mm ) / ( f mm - q mm )
|
- p mm = ( o mm · |q| mm ) / i mm
|
- q
- Distance from image to lens
- mm
- Distance image-lens
-
- → q mm = ( f mm · p mm ) / ( f mm - p mm )
|
- → |q| mm = ( i mm · p mm ) / o mm
|
- o
- Object Dimension
- mm
- Objectdimension
-
- → o mm = ( i mm · p mm ) / |q| mm
|
- i
- Image Dimension
- mm
- Imagedimension
-
- → i mm = ( o mm · |q| mm ) / p mm
|
Lenses: Dimension and positions of image and object
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Converging Lens
$o$ = Object dimension $i$ = Image dimension
$p$ = Distance object to lens $q$ = Distance image to lens
$f$ = Distance focus to lens $n$ = Refractive index of lens
$r$ = Curvature radius