Invisible – When enabled, the sun becomes invisible to both the camera and reflections. This is useful to prevent bright speckles on glossy surfaces where a ray with low probability hits the extremely bright sun disk.
Shadows –When enabled, the Sun produces shadows.
Affect Diffuse – When enabled, the V-Ray Sun affects the diffuse properties of the materials. The slider sets the multiplier that controls the V-Ray Sun's contribution to the diffuse illumination.
Affect Specular – When enabled, the V-Ray Sun affects the specular of the materials. The slider sets the multiplier that controls the V-Ray Sun's contribution to the specular reflection.
Affect Atmospherics – Specifies whether the light influences the atmospheric effects in the scene. The value determines the amount of involvement.
Atmospheric Shadows – When enabled, the atmospheric effects in the scene cast shadows.
