focal_length_to_fov
focal_length_to_fov(focal_length, [sensor_width]) ⇒ number
Kind: global function
Returns: number - in Radians
See: https://en.wikipedia.org/wiki/Focal_length
| Param | Type | Description |
|---|---|---|
| focal_length | number | (in mm) |
| [sensor_width] | number | Width of camera sensor (in mm) |