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Simple lens law | Virtual Cameras | Computer animation | Khan Academy

Introduces the simple lens law, the equation relating a lens's focal length to the object and image distances that put a scene in focus. The same thin lens equation used to design real camera optics.

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

What you take away

State the simple lens law and identify its three variables.

Watch it

Filed under

Oscar winners for cinematography

Books on cinematography

Kit for this lesson

Canon RF 50mm F1.2 L USM — The portrait-adjacent normal
Canon RF 24-70mm F2.8 L IS USM — The RF standard zoom, stabilised
Canon RF 15-35mm F2.8 L IS USM — Canon’s wide zoom for the C70 and R5 C
Helios 44-2 58mm f/2 — The swirly Soviet prime — a look for the price of a meal
Panasonic LUMIX S5 II — Full-frame, open gate, phase detect at last
Panasonic LUMIX S5 IIX — The S5 II with raw out and ProRes internal

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