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This eight-minute video explains the principles of convex lenses by blending video, animation, and still images. It segments the convex lens into pieces, much like one sees in an optical bench -- triangular prisms at top and bottom, trapezoidal prisms adjacent, and a rectangular prism in the precise middle. Animated ray diagrams show clearly how light refracts at both edges of the convex lens, and bend toward the principal axis. The animation depicts 3 fundamental actions of convex lenses:  1) A ray traveling parallel to the principal axis passes through the principal focus, 2) A ray traveling through the focus will emerge parallel to the principal axis, and 3) A ray traveling through the optical center will emerge undeviated.

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Editor's Note: Designmate is a designer of eContent for K-12 education specializing in 3D and animation to simplify concepts. This particular video is one of a small collection offered for free download. Designmate has been the recipient of multiple awards, including the World Summit Award, Worlddidac Award for eLearning, and winner of CSR (Best Corporate Social Responsibility Practice).
Subjects Levels Resource Types
Education Foundations
- Learning Theory
= Cognitive Modeling
= Representations
Optics
- Geometrical Optics
= Refraction - Flat Surfaces
= Straight Line Propagation
= Thin Lens
- High School
- Instructional Material
= Activity
- Audio/Visual
= Movie/Animation
Appropriate Courses Categories Ratings
- Physics First
- Conceptual Physics
- Algebra-based Physics
- AP Physics
- Activity
- New teachers
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Keywords:
convergence, converging lens, convexity, focal point, optical devices, ray diagrams, ray optics
Record Creator:
Metadata instance created April 15, 2014 by Caroline Hall
Record Updated:
November 4, 2021 by Caroline Hall
ComPADRE is beta testing Citation Styles!

AIP Format
AJP/PRST-PER
APA Format
Designmate: Converging Lenses. (2012). Retrieved September 12, 2024, from Designmate: https://www.youtube.com/watch?v=R-uMcngNsSk
Chicago Format
Designmate. Designmate: Converging Lenses. Ahmedabad: Designmate, 2012. https://www.youtube.com/watch?v=R-uMcngNsSk (accessed 12 September 2024).
MLA Format
BibTeX Export Format
@misc{ Title = {Designmate: Converging Lenses}, Publisher = {Designmate}, Volume = {2024}, Number = {12 September 2024}, Year = {2012} }
Refer Export Format

%T Designmate: Converging Lenses %D 2012 %I Designmate %C Ahmedabad %U https://www.youtube.com/watch?v=R-uMcngNsSk %O text/html

EndNote Export Format

%0 Electronic Source %D 2012 %T Designmate: Converging Lenses %I Designmate %V 2024 %N 12 September 2024 %9 text/html %U https://www.youtube.com/watch?v=R-uMcngNsSk

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The AIP Style presented is based on information from the AIP Style Manual.

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### Designmate: Converging Lenses:

Covers the Same Topic As Designmate: Convex and Concave Lenses

This video expands the topic to explore both converging and diverging lenses.

relation by Caroline Hall

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Physics Front
Dec 1 - Jan 15, 2016