gnomonic lenses (German : gnomonische Objektive) use an image mapping of the type
[table caption=”gnomonic angles” width=”500″ colwidth=”50|50|50|50″ colalign=”center|center|center|center”]
weak,medium,strong,max
54,75,102,< 180
[/table]
Gnomonic lenses can provide a wide viewing angle , but are no fisheye lenses
see:
fisheye types