Calculator

Field of view calculator

Horizontal, vertical and diagonal angle of view and the scene width covered at any distance.

Horizontal · vertical · diagonal—
Scene covered at distance—
Full-frame equivalent—

How it works#

Angle of view = 2·atan(d ÷ 2f), where d is the sensor dimension. Scene width at distance D ≈ sensor width × (D − f) ÷ f.

Last updated October 03, 2026 · How we calculate · Sources

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