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Depth of field | Virtual Cameras | Computer animation | Khan Academy

Explains depth of field as the range of distances that appear acceptably sharp in a shot, and how aperture and focal length control how wide or narrow that range is. The same principle a live-action DP manages when pulling focus.

Khan Academy Labs · 3 min · Intermediate · CIN · Cinematography · 2016

What you take away

Explain how changing aperture widens or narrows depth of field.

Watch it

Filed under

Oscar winners for cinematography

Books on cinematography

Kit for this lesson

Helios 44-2 58mm f/2 — The swirly Soviet prime — a look for the price of a meal
Canon FD 50mm f/1.4 — Warm, cheap, and everywhere — a first vintage prime
Minolta MC Rokkor 58mm f/1.4 — Glowing highlights wide open, pin-sharp stopped down
Jupiter 9 85mm f/2 — Soviet Sonnar copy — creamy, slightly soft wide open
Sony FE 16-35mm F2.8 GM II — The wide end of the same set
Canon RF 50mm F1.2 L USM — The portrait-adjacent normal

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