The Fisheye Lens Projection in Corona Renderer for C4D

A fish eye lens is an ultra wide angle lens that allows the camera to see much more of your scene whilst introducing that unique fisheye distortion. Fisheye lenses are a popular choice in exterior photography allowing for stunning panoramic shots to be created but they also in the useful interior scenes allowing you to capture much more of your scene without having to go beyond the walls.

You can change camera to fish eye with camera projection type. It defaults to 180, but it goes all the way up to 360.