Field of View & Subject Coverage
Calculate the horizontal, vertical and diagonal angle of view for a lens and sensor, and the area covered at a distance, free online.
About this calculator
Angle of view = 2·arctan(sensor dimension ÷ (2 × focal length)). At distance d the width covered is 2·d·tan(AOV/2). Sensor dimensions: full frame 36×24 mm, APS-C 23.6×15.7, Micro Four Thirds 17.3×13, 1-inch 13.2×8.8.