Other
Cambridge University: Depth of Field Tutorial
This helpful tutorial on depth of field in photography is divided into sections including circle of confusion, controlling depth of field, focal length, and depth of focus.
CK-12 Foundation
Ck 12: Plix Series: Double Concave Lenses
[Free Registration/Login Required] Change the focal point in this interactive concave lens to see how the focal length changes.After the activity, answer a challenge question to check for understanding.
CK-12 Foundation
Ck 12: Plix: Convex Lenses: Lens
[Free Registration/Login Required] Observe how the location of the virtual image changes by dragging the red dots on the object.
CK-12 Foundation
Ck 12: Plix Series: Double Convex Lens: Convex Lens
[Free Registration/Login Required] Change the focal point in this interactive convex lens to see how the focal length changes. After the activity, answer a challenge question to check for understanding.
Physics Aviary
Physics Aviary: Lens Lab
This lab is designed to have students investigate the changes that occur to images formed by converging lenses based on the focal length of the lens, the height of the object and the location of the object. This video will help...
Khan Academy
Khan Academy: Scene Composition
Use the tool below to compose two scenes. Experiment with different camera settings to see what effects you can create. When you have practiced with the tool, take the quiz.
Khan Academy
Khan Academy: Camera Lenses
Understand how lens curvature, focal length and f-stop are related.
Khan Academy
Khan Academy: Thin Lens Sign Conventions
Have you ever wondered why some people need glasses and others don't? It's because of the way light is focused by the lens in your eye. This lens, like magnifying glasses, eyeglasses, and contact lenses, is considered a thin lens.
Curated OER
Georgia State University: Thin Lens Equation
This is an informative site from Georgia State University. It gives a discussion of the thin lens equation and an illustration of its use in determining the image distance based upon the object distance and the focal length.
Curated OER
Georgia State University: Thin Lens Equation
This is an informative site from Georgia State University. It gives a discussion of the thin lens equation and an illustration of its use in determining the image distance based upon the object distance and the focal length.