equal area lenses are a type of fisheye lenses
equal area lenses are also called “equisolid angle” or “flächentreu”
Equal area lenses use a image mapping function of the type
such lenses maintain areas. Objects that have the same area have images of the same area.
[table caption=”typical angles: ” width=”500″ colwidth=”50|50|50|50″ colalign=”center|center|center|center”]
weak,medium,strong,max
94,131,180,360
[/table]
see
Fisheye Types