Please see the noted field of view for Ohmni Standard and Ohmni Supercam. Keep in mind, with Ohmni's tilting neck and ability to swivel in-place you can get a nearly 360-degree view of the environment without back up to widen the viewing angle.
20in horizontal @ 10.3in distance -> 88 degrees
14in vertical @ 10.3in distance -> 68 degrees
31in diagonal @ 10.3in distance -> 112 degrees
84cm horizontal @ 30cm distance -> 109 degrees
50cm vertical @ 30cm distance -> 80 degrees
157cm diagonal @ 30cm distance -> 138 degrees