MyMapA convex lens with the object placed beyond 2F...
01
Specify the optical element
Name the lens or mirror and give the object position, focal length, and units when available.
Ray Diagram Maker
Describe any lens or mirror setup and AI draws the three principal rays, focal points, and the image — a clean, labeled optics diagram ready to study or share.
Free to startNo credit card requiredPDF, docs & images supported
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Free AI Ray Diagram Maker
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Prompts to start from
Click one to fill the box above. Edit anything before you send.
How to describe an optics setup
No template to fill in and no drawing. You talk; the canvas keeps up.
02
Draft the labeled rays
Ask MyMap for the axis, focal points, object, and image, with ray directions clearly distinguished.
Export
PNGfree
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Present
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03
Review the construction
Check the ray paths and image properties against your course conventions, then request corrected labels or geometry.
What does a ray diagram show?
A ray diagram traces selected light paths through a lens or after reflection from a mirror. The paths help explain where an image forms and whether it is real or virtual, upright or inverted.
Use it to reason about image formation
Ray sketches support optics lessons and comparisons between object positions. A generated sketch is a draft for checking the physics, rather than a measurement obtained from a calibrated drawing.
Keep the optical construction readable
- Identify the element. Converging and diverging lenses require different ray constructions.
- Mark the principal axis. Place focal points with a consistent scale if distances are specified.
- Add direction arrows. Show the actual direction in which light travels.
- Distinguish extensions. Use dashed lines for backward extensions that locate a virtual image.
- Check image properties. Review image position, orientation, and relative size together.
A diagram to inspect and refine
MyMap draws an optics illustration from your description and revises it through follow-up instructions. The example depicts a converging lens with an object beyond 2F and an image labeled real; review its geometry before using it as a scale drawing.
Export and share
PNG and PDF
Whole map or one frame. PDF and clean PNG on Pro.
Slides
Ask for slides from this map and present frame by frame.
Share a link
A read-only link for anyone; they can copy it to their own canvas.
Keep editing
Every map stays on your canvas; come back and ask for more.
Common questions
Are the generated diagrams guaranteed to be to scale?
No. Check specified distances and ray intersections before measuring from the drawing. Use your course equations or a calibrated construction for numerical results.
What details should I include in the prompt?
Give the optical element, object location, focal length, and whether you want a qualitative sketch or a construction with stated distances.
Can I change the object position?
Ask for the new position relative to F or 2F and request updated rays and image labels. Review the whole construction after the change.
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Ray Diagram Maker
Free to start. No credit card required.
✦ Free to start · No credit card required · PDF, docs & images supported