iPhone 4 Camera Specifications – Field of View / Vertical-Horizontal Angle
If the sensor is 3.39 mm tall (referenced to landscape mode), then half that is 1.695 mm. Focal length for the iPhone 4 is listed as 3.85 mm. atan(1.695/3.85) is 23.75 degrees from center to top, or 47.5 degrees top to bottom. For the longer dimension 4.52/2 = 2.26 mm, atan(2.26/3.85) = 30.41 center to … Read more