How it works
- 1Enter variables using the units and ranges shown beside each field.
- 2Results update with your inputs. Use the button below the diagram to calculate or start the animation.
- 3Review result units, model assumptions and sources.
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BROWSER · Local JavaScript · Physics Lab
Lens & Mirror Ray Diagram
Lens & Mirror Ray Diagram. Enter your own values. Interactive physics diagram.
✓ Enter your own values✓ Interactive physics diagram✓ Calculations run in your browser.
About this tool
Thin-lens/paraxial spherical-mirror model, real object. f>0 for converging lens/concave mirror; otherwise f<0. Dashed rays are virtual extensions. Drag the object point.
Common uses
Physics ToolsLens & Mirror Ray Diagram onlinefree Lens & Mirror Ray Diagram
Frequently asked questions
What are the model limitations?
Thin-lens/paraxial spherical-mirror model, real object. f>0 for converging lens/concave mirror; otherwise f<0. Dashed rays are virtual extensions. Drag the object point.
Are my values sent to a server?
Calculations run in your browser.