Activate this option to import all lights contained in the file.
FBX supports Standard Point, Spot, and Directional light types from Autodesk Maya, Autodesk MotionBuilder, and other Autodesk applications. For a list of supported lights, see Light support
Activate this option to import the ambient color of the FBX file into the scene.
This option is disabled by default and the ambient light is not imported.
Activate this option to import FBX exported scenes that contain daylight systems.
This option is activated by default in the Autodesk Architectural (Revit) Preset, and disabled by default in the Autodesk Media & Entertainment Preset.