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Algebra of focus | Virtual Cameras | Computer animation | Khan Academy

Works through the algebra of the thin lens equation, rearranging it to solve for focal length, object distance or image distance depending on what's known. Direct practice applying the lens law from the previous lesson.

Khan Academy Labs · 2 min · Intermediate · CIN · Cinematography · 2016

What you take away

Rearrange the thin lens equation to solve for any one of its three variables.

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