COMPOSITION

Field of View Calculator

Calculate horizontal and vertical angle of view plus the width and height covered at your chosen subject distance.

CORE FORMULAangle = 2 × atan(sensor dimension ÷ 2f)Inputs stay in this browser.

INPUTS

Set your shot

Active sensor areaActual focal lengthmmSubject distancem

LIVE RESULT

Your working numbers

Coverage at subject2.16 × 1.44 m

Horizontal angle39.6°

Vertical angle27°

Diagonal coverage2.6 m

Rectilinear thin-lens estimate; focus breathing, distortion correction and video crops can alter real coverage.

READ THE RESULT

Use the estimate as a planning tool.

Camera specifications, tolerances and shooting conditions can change a real result. We expose the assumptions so you can choose a margin that fits the consequence of getting it wrong.

Read the related field guide