There are “Stereographic”, “Equidistant”, “Orthogonal” projections generally.
IDIS Camera :
1. Panoramic Fisheye : Stereographic
2. Normal Lens : Equidstant
-DC-Y1514W : Equidstant
-DC-Y3C14WRX : Equidstant
-NC-Y6513RX : Equidstant
-NC-Y8C13WRX : Stereographic
-DC-Y6C16WRX : Equidstant
-DC-Y6516WRX : Equidstant