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Photography & video

Camera Field of View Calculator

Find angle of view along one sensor dimension.

Units clearly labeledCheck practical equipment limits

Camera and output settings

Runs on your device

SHOOTING ESTIMATE

Your result

Let’s calculate.

Use the Calculate button to see your result.

Review the method below for assumptions and conventions.

How to use this tool

  1. Enter sensor dimension, focal length.
  2. Select Calculate to view the result.
  3. Check the method and assumptions below before using the result.

The method, explained

Angle = 2 arctan(sensor dimension/(2 × focal length)).

A WORKED EXAMPLE

Using sensor dimension = 36 mm, focal length = 50 mm, the result is 39.5977527 degrees. Change these example inputs to match your task; use the method above to check each step.

What to keep in mind

Rectilinear lens model; use width, height or diagonal consistently. An ideal geometric or exposure estimate. Lens behavior, stabilization, sensor crop and scene conditions may change practical results.

Common questions

Which inputs does this calculation need?

Find angle of view along one sensor dimension. Enter sensor dimension in mm, focal length in mm. The filled example is editable and is not a saved personal record.

How should I interpret the result?

Rectilinear lens model; use width, height or diagonal consistently. An ideal geometric or exposure estimate. Lens behavior, stabilization, sensor crop and scene conditions may change practical results.

Methodology maintained by ClarityKit. How these tools are built and checked.