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Teaching animation: Visualization of the lens equation

The interactive animation represents the geometric relationships described by the lens equation.

Click your mouse to zoom the rectangle in or out.

The animation was originally developed as a offline application for Windows and Macintosh systems and for integration into Microsoft PowerPoint slides. The online version presented here serve as a preview. The exe or app file can be downloaded free of charge from members area.

Download Windows

Download Macintosh

Description

The animation contains two areas with the following content:

Area	Description
left	Example of an optical mapping with the most important rays
right	Mathematical laws written as formulas

The focal length of the lens and the object height can be freely adjusted via two controls. All elements shown are adjusted in real time.

Legend

$f$: Focal length of the lens
$g$: Object distance
$b$: Image distance
$G$: Object height
$B$: Image height

Formulas

The lens equation (also Newtons equation) is:

$$\frac{1}{f} = \frac{1}{g} + \frac{1}{b}$$

$f$: Focal length of the lens
$g$: Object distance
$b$: Image distance

General information

Title:	Teaching animation: Visualization of the lens equation
Target group:	Teachers and lecturers Independent learners
Platforms (primary):	Microsoft® Windows® Microsoft® PowerPoint® Apple® Macintosh®
Features	Resizable without the loss of visual clarity No installation required
Documents	Licensing Information

Further animations for PCs

Reflection law

Principle of chromatic aberration

Principle of spherical aberration

Concept of numerical aperture

Sources

• Authoring tool: Adobe Animate
• Formulas

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