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Khan Academy
Khan Academy: Camera Lenses
Understand how lens curvature, focal length and f-stop are related.
Khan Academy
Khan Academy: The Effect of Focal Distance
Using a simulation of a pinhole camera, try capturing images using different focal distances, and then answer the questions below.
Khan Academy
Khan Academy: Circle of Confusion Calculation
Understand how we can calculate the radius of a circle of confusion
Khan Academy
Khan Academy: Circle of Confusion Diagram
Understand the diagram we have created to calculate the radius of a circle of confusion.