Camera Focal Length, FOV & Coverage Calculator

P069

Calculate field of view and theoretical scene dimensions from sensor size, focal length, and distance.

Parameters

Effective Sensor Width mm Effective Sensor Height mm Focal Length mm Target Distance m

CalculateReset

Assumptions

• 采用理想针孔成像模型。

Important notes

• 镜头畸变、裁切、防抖和厂家标称视场会造成差异。

Standards and sources

• Axis Lenses for Video Surveillance

Verified: 2026-09-05